,illu/ration3 ,slab ) fossil impressions ,,rem>ks ,,on ,,"s ,,fossil ,,impressions ,,9 ,,! ,,s&/one ,,rocks ,,( ,,connecticut ,,riv]4 ,,by ,,john ,c4 ,,w>r51 ,m4,d4 ,,presid5t ,,( ,,! ,,bo/on ,,society ,,( ,,natural ,,hi/ory4 ,illu/ration3 ,logo ,,bo/on3 ,,ticknor ,,& ,,fields1 #ace1 ,wa%+ton ,/reet4 #ahed4 ,,bo/on3 ,,pr9t$ ,,by ,,john ,,wilson ,,& ,,son1 #bb1 ,s*ool ,/reet4 ,! pr9cipal "p ( ^! rem>ks 7 made at ! meet+s ( ! ,,bo/on ,,society ,,( ,,natural ,,hi/ory4 ,a portion ( !m also h be5 pr9t$ 9 ! ,proce$+s ( ! ,society4 ,! object ( ?is publication is to af=d to ^? :o are n memb]s ( ! ,society an opportunity ( obta9+ "s k ( ,fossil ,impressions1 :i* !y might n be able to obta9 else:]e s conv5i5tly4 ,"s acc\nt ( ! ,epyornis seems to be v prop]ly connect$ ) ,orni?i*nites4 ,! fir/ ( ^! pap]s 0 writt5 9 ,octob]1 #ahec2 ! o!rs 9 ! e>li] "p ( ! pres5t ye>4 ,illu/ration3 ,epyornis ,,! ,,epyornis2 ,,or1 ,,great ,,bird ,,( ,,madagasc>1 ,,& ,,its ,,eggs4 ,9 ! c\rse ( ! ye> #ahea1 an acc\nt 0 circulat$ ( ! discov]y ( an imm5se egg1 or eggs1 9 ! ,isl& ( ,madagasc>4 ,! size ( ! eggs spok5 ( 0 s disproportionate to t ( any previ\sly kn[n1 t mo/ p]sons receiv$ ! acc\nt ) incr$ulity2 &1 ,i mu/ confess1 ,i 0 "o ( ?is numb]4 ,be+ 9 ,p>is soon aft] he>+ ( ?is report1 ,i made inquiry on ! subject1 & 0 surpris$ to le>n1 t ! great egg 0 actually exi/+ 9 ! ,museum ( ,natural ,hi/ory 9 ,p>is4 ,9 a few days ,i _h an opportunity ( see+ a ca/ ( x 9 ! h&s ( ! arti/1 ,m4 ,/rahl1 ( :om ,i solicit$ "o4 ,he in=m$ me t x c\ld n be obta9$ at t mom5t2 b t1 if my reque/ 7 made kn[n to ! ,adm9i/ration ( ! ,museum1 he _h no d\bt !y w\ld acc$e to x4 ,i accord+ly did apply1 & also pres5t$ !m ) ! ca/ ( a p]fect head ( ,ma/odon ,giganteus2 & !y v lib]ally grant$ my reque/4 ,! di/+ui%$ naturali/1 ,pr(essor ,ge(froy ,/4 ,hilaire1 ! second ( t honorable "n1 has made a /atem5t to ! ,academy ( ,sci5ces1 :i*1 ?\gh only initiatory1 conta9s _m facts ( a v int]e/+ nature1 "s ( :i* ,i h _h an opportunity ( v]ify+2 & to him we are indebt$ = a great] "p ( ! o!rs4 ,! eggs s5t to me are1 9 numb]1 two2 "o ( :i* 0 pur*as$ by ,m4 ,abadie1 capta9 ( a ,fr5* vessel1 f ! natives4 ,ano!r 0 soon aft]w>ds f\nd1 equal 9 size4 ,a ?ird egg 0 discov]$ 9 an alluvial /ratum ne> a /ream ( wat]1 toge!r ) o!r valuable relics ( ! animal :i* _h probably produc$ !m2 b1 un=tunately1 x 0 brok5 dur+ transportation4 ,( ! two eggs1 "o is ( an ovoid =m1 hav+ mu* ! %ape ( a h5's egg2 & ! o!r is an ellipsoid4 ,! ovoid egg is ( enorm\s size1 ev5 :5 comp>$ ) ! l>ge/ egg we are acqua9t$ )4 ,its long diamet] exce$s ?irte5 in*es ( our ,engli% measure1 its %ort diamet] eight1 & its long circumf]5ce ?irty-?ree in*es4 ,its capacity is ?\ght to be equal to eighte5 liquid p9ts1 or to be six times great] ?an t ( ! l>ge/ egg kn[n to u 7! o/ri*71 al?\gh b twice its l5g?4 ,x is said to be equal to a hundr$ & =ty-eight h5 eggs4 ,! ellipsoid egg has its longe/ diamet] some:at less ?an t ( ! ovoid2 its %ort diamet] ne>ly equals t ( ! o!r egg1 be+ m ?an eight in*es4 ,! ?ird egg1 al?\gh brok51 has be5 v useful to sci5ce1 by display+ ! ?ickness ( ! %ell1 :i* is ab\t "o-t5? ( an in*4 ,! bones1 ( :i* ,i h receiv$ ! ca/s1 are ?ree 9 numb]1 & ( great int]e/4 ,"o ( !m is a *>act]i/ic fragm5t ( ! upp] "p ( a fibula2 ! o!r two1 /ill m int]e/+1 z enabl+ u to det]m9e ! class & g5us ( ! animal to :i* !y belong1 exhibit ! extremities ( ! "r & left t>so-metat>sal bones4 ,! =m] is some:at brok52 ! latt] is ne>ly p]fect1 & exhibits ! triple division ( ! inf]ior extremity ( ! bone into ! ?ree tro*leae or pulley-%ap$ processes ( ! /ru?i\s birds4 ,x might be mi/ak5 = a bone ( ! great ,d9ornis1 b is di/+ui%$ f ?is by ! flatness ( ! portion above ! tro*leae4 ,/ill less is x "o ( ! bones ( ! o/ri*1 its ?ree pulleys be+ sep>at$ f ea* o!r by di/9ct int]vals2 :]eas ! pulleys ( ! o/ri* h only "o su* sep>ation1 con/itut+ two di/9ct em95ces4 ,m4 ,ge(froy ,/4 ,hilaire consid]$ himself ju/ifi$1 f ^! & o!r facts1 9 decid+ ?is bone to belong to a bird ( a new g5us1 to :i* he gives ! "n ( ,,epyornis1 f aipys1 high1 tall1 & ornis1 bird2 &1 z probably x is a specim5 ( ! l>ge/ animal ( ! family1 he affixes ! specific "n ( maximus4 ,! size ( ?is bird1 inf]r$ f t ( its egg1 w\ld be va/ly sup]ior to t ( ! o/ri*4 ,b if we notice ! comp>ative size ( ! tro*leat$ extremity ( ! t>so-metat>sal bone1 we %all see t its height w\ld be greatly exagg]at$ by adopt+ su* a basis = its e/abli%m5t2 9 fact1 x w\ld n probably exce$ a height d\ble t ( ! o/ri*4 ,&1 ?\gh x mu/ h be5 sup]ior to t ( ! ,d9ornis maximus ( ,pr(4 ,ow51 x might p]haps excel x only by ! diff]5ce ( two or ?ree feet4 ,a bird ( twelve or ?irte5 feet 9 height w\ld1 h[ev]1 if we /ood 9 its pres5ce1 appe> enorm\s1 & mu/ h greatly a/oni%$ & t]rifi$ ! natives ( ,madagasc>4 ,:e!r x n[ exi/s is unc]ta91 z x may possibly h a habitation 9 ! wild recesses ( ! isl&1 :i* h nev] yet be5 visit$ by any ,european travell]4 ,! cr$it ( mo/ ( ! obs]vations & discov]ies relat+ to ?is rem>kable bird is attributable to ,fr5* naturali/s2,a & x seems to be a duty devolv+ on ,engli% & ,am]ican navigators to complete ! hi/ory ?us happily begun1 & to tell u :e!r ! ,epyornis /ill exi/s 9 ! m\nta9-=e/s ( ,madagasc>1 or at lea/ pres5t u ) its extraord9>y relics4 ,footnote ,a3 ,! foll[+ are ! names ( ,fr5* travell]s1 :o h be5 suppos$ to h se5 ! eggs ( ! ,epyornis 9 ! ,isl& ( ,madagasc>3 ,m4 ,sganz91 9 #ahca2 ,m4 ,g\dot1 9 #ahcc2 ,m4 ,dum>ele1 9 #ahdh2 & ,m4 ,abadie1 9 #ahej4 ,,fossil ,,impressions4--,i4 ,i*nology1 a newly creat$ bran* ( sci5ce1 takes its "n f ! ,greek ^w i*nos1 a track or foot/ep1 & ! tracks !mselves h be5 d5om9at$ ,i*nites1 or1 :5 !y ref] to birds only1 ,orni?i*nites1 f ornis1 a bird4 ,& ?is la/ t]m has by cu/om be5 g5]ally appli$ to anci5t impressions1 ?\gh n correctly4 ,geology has reveal$ to u n only ! rema9s ( animals & vegetables1 b ! impressions made by !m dur+ _! lives1 & ev5 ! impressions ( unorganiz$ bodies4 ,! fir/ notice ( ^! appe>ances 01 z (t5 happ5s1 reg>d$ ) indiff]5ce or scepticism2 b _! numb] & v>iety enlight5$ ! public m9d1 & op5$ a new s\rce ( in=mation & improvem5t4 ,! fir/ rem>kable obs]vation made on fossil foot/eps 0 t ( ! ,rev4 ,dr4 ,duncan1 ( ,scotl&1 9 #ahbh4 ,he notic$1 9 a new r$ s&/one qu>ry 9 ,dumfries%ire1 impressions ( ! feet ( small animals ( ! tortoise k9d1 hav+ f\r feet1 & five toes on ea* foot4 ,!y 7 se5 9 v>i\s lay]s ?r\gh a ?ickness ( =ty feet or m4 ,s&/one1 9 :i* ^! impressions are pr9cipally discov]$1 is a rock compos$ *iefly ( silice\s & micace\s p>ticles cem5t$ toge!r by calc>e\s or argillace\s pa/e1 conta9+ salt1 & color$ ) v>i\s %ades ( ! oxide ( iron1 p>ticul>ly ! r$1 gray1 br[n4 ,x has be5 rem>k$ by ,pr(4 ,h4 ,d4 ,rog]s1 t ! p]fection ( ! surface conta9+ fossil footm>ks is (t5 attributable to a micace\s deposit4 ,! lay]s ( s&/one h be5 =m$ by deposits f sea-wat]1 dri$ 9 succession2 su* lay]s are also se5 9 ! ro(+ slate4 ,^! deposits on ! %ores ( ! ocean1 hav+ 9 a s(t condition receiv$ ! impressions ( ! feet ( birds1 o!r animals1 vegetables1 & also ( ra9-drops1 "u favorable circum/ances dri$1 h>d5$1 & =m$ a rock ( great] or less solidity4 ,our colleague1 ,dr4 ,g\ld1 has exhibit$ to u a specim5 ( dri$ clay f ! %ores ( ! ,bay ( ,fundy1 conta9+ beautiful impressions1 rec5tly made1 ( ! foot/eps ( birds4 ,! p>ticles br\ght by ! waves1 & deposit$ 9 ! mann] describ$1 7 d]iv$ f ! de/ruction ( o!r rocks previ\sly exi/+1 p>ticul>ly granite & fl9t1 or silex1 ! %9+ atoms ( :i* compose no small "p ( ! s&/one rock4 ,x is easy to conceive1 t1 :ile ^! deposits 7 tak+ place 9 ! s(t condition1 portions ( vegetable matt]s might become int]mix$2 & t ^!1 ) ! impressions ( ! feet & o!r p>ts ( animals & unorganiz$ sub/ances1 might be pres]v$ by ! process ( desiccation4 ,! ag5cy ( int]nal heat may h also be5 employ$ 9 "s cases 9 bak+ & h>d5+ ^! cru/y lay]s4 ,! s&/one rock1 ?\gh 9 "s places actually 9 a /ate ( =mation at ! pres5t "t1 lies 9 su* a mann] 9 ! e>?'s cru/ z to indicate an imm5se antiquity4 ,! age ( ^! b$s v>ies 9 diff]5t situations4 ,! s&/one rocks :i* conta9 ! great] "p ( ! impressions are call$ new r$ s&/one1 to di/+ui% !m f ! old r$1 :i* is ( a great] age4 ,! deposits on ,connecticut ,riv] may n be attribut$ to ! action ( ?is riv]1 b are ( high] antiquity1 probably1 ?an ! riv] itself1 & proce$$ f ! waves ( an anci5t sea1 exi/+ 9 a /ate ( ! surface ( ! globe v diff]5t f t ( ! pres5t day4 ,9 #ahcd1 tracks 7 discov]$ ne> ,hildb]ghaus5 9 ,saxony1 to :i* ,pr(4 ,kaup1 ( ,d>m/adt1 gave ! "n ( ,*iro!rium1 f ! resemblance to ! impressions ( ! human h&4 ,on a subsequ5t exam9ation1 ,pr(4 ,ow5 pref]r$ ! "n ( ,labyr9?odon1 f ! resemblance ( ! folds 9 ! tee? to ! convolutions ( ! bra94 ,v>i\s o!r in/ances ( impressions 7 se52 &1 9 ! ye> #ahce1 ,dr4 ,deane & ,mr4 ,m>%1 resid5ts ( ,gre5field1 notic$ impressions resembl+ ! feet ( birds 9 s&/one rocks ( t neighborhood4 ,^! obs]vations hav+ come to ! k ( ,presid5t ,hit*cock1 ( ,amh]/ ,college1 t g5tleman began a ?or\gh inve/igation ( ! subject1 foll[$ x up ) unremitt$ ardor1 & has1 s9ce #ahcf 7! date ( 8 fir/ publication71 laid be=e ! public a great am\nt ( i*nological in=mation1 & really creat$ a new sci5ce4 ,dr4 ,deane1 on 8 "p1 has n be5 idle3 besides mak+ valuable discov]ies1 he has writt5 a numb] ( excell5t pap]s to record "s portion ( 8 num]\s obs]vations4 ,9 #ahcg1 at ! reque/ ( my fri5d ,dr4 ,boott1 ,i c>ri$ to ,london1 = ! ,museum ( ! ,royal ,college ( ,surgeons1 v>i\s sci5tific objects peculi> to ?is c\ntry2 among :i* 7 a numb] ( ca/s ( ,orni?i*nites4 ,^! ca/s 7 k9dly furni%$ me by ,presid5t ,hit*cock1 & ! ,gov]nm5t ( ! ,royal ,college !reon vot$ to pres5t to ,presid5t ,hit*cock & ,amh]/ ,college ca/s ( ! skeleton ( ! fam\s ,mega!rium ( ,s\? ,am]ica4 ,^! ca/s 7 pack$1 & s5t to be emb>k$ 9 a %ip de/9$ = ,bo/on1 b 7 unluckily deliv]$ to a wrong %ipp+ h\se 9 ,london1 & ,i lo/ sight ( !m = "s "t4 ,!y 7 at l5g? discov]$4 ,aft] rema9+ 9 ?is situation = m ?an a ye>1 !y 7 sold at public auction2 &1 not)/&+ _m ef=ts on my "p1 ,i 0 unable to obta9 & transmit !m to ,amh]/ ,college4 ,! fossil impressions :i* h be5 di/+ui%$ 9 v>i\s places 9 ! new r$ s&/one are ^? ( birds1 frogs1 turtles1 liz>ds1 fi%es1 mollusca1 cru/acea1 worms1 & zoophytes4 ,besides ^!1 ! impressions made by ra9-drops1 ripple-m>ks 9 ! s&1 coprolites or indurat$ rema9s ( faeces ( animals1 & ev5 impressions ( vegetables1 h be5 pres]v$ & transmitt$ f a remote antiquity4 ,no au!ntic human impressions h yet be5 e/abli%$2 & none ( ! mammalia1 except ! m>supials4787 ,we mu/1 h[ev]1 rememb] t1 al?\gh ! e>ly paleontology conta9s no record ( birds1 ! anci5t exi/5ce ( ^! animals is n[ fully asc]ta9$4 ,rema9s ( birds 7 discov]$ 9 ! ,p>is gypsum by ,cuvi] previ\s to #ahcj4 ,s9ce t "t1 !y h be5 f\nd 9 ! ,l[] ,eoc5e 9 ,engl&1 & ! ,swiss ,alps2 & !re is reason to believe t osse\s relics may be met ) 9 ! same deposits :i* conta9 ! foot-m>ks4 ,mo/ ( ! bird-tracks :i* h be5 obs]v$1 belong to ! wad+ birds1 or ,grallae4 ,! numb] ( toes 9 exi/+ birds v>ies f two to five4 ,9 ! fossil bird-tracks1 ! mo/ frequ5t numb] is ?ree1 call$ tridactyl\s2 b !re are in/ances also ( f\r or tetradactyl\s1 & two or didactyl\s4 ,! numb] ( articulations corresponds 9 orni?i*nites ) liv+ birds3 :5 !re are f\r toes1 ! inn] or h9d toe has two articulations1 ! second toe ?ree1 ! ?ird toe f\r1 ! out] toe five4 ,! impressions ( ! articulations are sometimes v di/9ct1 & ev5 t ( ! sk9 cov]+ !m4 ,presid5t ,hit*cock has di/+ui%$ m ?an ?irty species ( birds1 f\r ( liz>ds1 ?ree ( tortoises1 & six ( batra*ians4 ,! great diff]5ce 9 ! *>act]s ( _m fossil animals f ^? ( exi/+ g5]a & species1 9 ! op9ion ( ,pr(4 ,agassiz1 makes x probable t 9 v>i\s in/ances ! traces ( suppos$ birds may be 9 fact traces ( o!r animals1 z1 = example1 ^? ( ! liz>d or frog4 ,& he supports ?is op9ion1 among o!r reasons1 by ! disappe>ance ( ! heel 9 a great numb] ( ,orni?i*nites4 ,d',orbigny1 to :om we are indebt$ = ! mo/ ample & sy/ematic "w on ,paleontology 7,c\rs ,elem5taire de ,paleontologie et de ,geologie1 #e vols4 #ahdi-eb71 does n accept ! arrangem5t ( ,presid5t ,hit*cock4 ,he objects to ! t]m ,orni?i*nites1 & proposes :at he consid]s a m compreh5sive arrangem5t into organic1 physiological1 & physical impressions4 ,organic impressions are ^? :i* h be5 produc$ by ! rema9s ( organiz$ sub/ances1 su* z vegetable impressions f calamites1 c4 ,physiological impressions are ^? produc$ by ! feet & o!r p>ts ( animals4 ,physical impressions are ^? f ra9-drops & ripple-m>ks2 & to ^! may be add$ coprolites 9 sub/ance4 ,?is plan ( ,d',orbigny seems to exclude ! curi\s & int]e/+ di/9ctions ( gr\ps1 g5]a1 & species2 9 ?is way dim9i%+ ! importance ( ! sci5ce ( ,i*nology4 ,fossil impressions h be5 f\nd on ?is cont95t 9 ! c>bonif]\s /rata ( ,nova ,scotia1 & ( ! ,allegh5ies2 9 ! s&/one ( ,new ,j]sey1 & 9 t ( ! ,connecticut ,valley 9 a great numb] ( places1 f ! t[n ( ,gill 9 ,massa*usetts to ,middlet[n 9 ,connecticut1 a di/ance ( ab\t eighty miles4 ,a slab f ,turn]'s ,falls1 obta9$ = me by ,dr4 ,deane 9 #ahde1 measur+ two feet by two & a half1 & two in*es 9 ?ickness1 conta9s at lea/ t5 diff]5t sets ( impressions1 v>y+ f five in*es 9 l5g? to two & a half1 ) a proportionate l5g? ( /ride f ?irte5 in*es to six4 ,all ^! are tridactyl\s1 & repres5t at lea/ f\r diff]5t species4 ,9 mo/ ( !m ! di/9ction ( articulation is q cle>4 ,! articulations ( ea* toe c readily be c\nt$1 & !y are f\nd to agree ) ! g5]al /atem5t made above z to numb]4 ,! impressions are s+ul>ly v>i$ z to dep?2 "s ( !m1 p]fectly di/9ct1 are sup]ficial1 l ^? made by ! f+]s laid lightly on a mass ( d\gh1 :ile o!rs are ( suffici5t dep? ne>ly to bury ! toes2 "s ( ! tracks cross ea* o!r1 &1 be+ ( diff]5t sizes1 belong to animals ( diff]5t ages or diff]5t species4 ,!re is "o curi\s in/ance ( ! tracks ( a l>ge & heavy bird1 9 :i*1 f ! s(tness ( ! mud1 ! bird slipp$ 9 a lat]al direction1 & !n ga9$ a firm foot+2 ! m>k ( ! fir/ /ep1 ?\gh deep1 is ill-def9$ & unc]ta92 ! space int]v5+ betwe5 ! tracks is sup]ficially furr[$2 9 ! settl$ /ep1 :i* is ! deepe/1 ! toes are v /rongly indicat$4 ,on ! same surface are impressions ( nails1 :i* may h belong$ to birds or *elonians4 ,! inf]ior surface ( ! same slab exhibits appe>ances m sup]ficial1 less num]\s1 b g5]ally regul>4 ,!re are ?ree sets ( tracks entirely di/9ct f ea* o!r2 two ( !m conta9+ ?ree tracks1 & "o conta9+ two1--! latt] be+ mu* ! l>ge/ 9 size4 ,9 addition1 !re is "o set ( tracks1 :i* are probably ^? ( a tortoise4 ,^! m>ks pres5t two o!r po9ts q obs]vable & int]e/+4 ,"o is t !y are display$ 9 relief1 :ile ^? on ! upp] surface are 9 depression4 ,! relief 9 ?is l[] surface w\ld be ! ca/ ( a cavity 9 ! lay] bel[2 s ! depressions 9 ! upp] surface w\ld be m\lds ( ca/s above4 ,! second po9t is ! non-correspond5ce ( ! upp] & l[] surfaces2 i4e4 ! depressions 9 ! upp] surface h n a g5]al correspond5ce ) ! elevations on its inf]ior surface4 ,! tracks above 7 made by diff]5t individuals & diff]5t species f ^? bel[4 ,?is leads to ano!r int]e/+ consid]ation1 t 9 ! ?ickness ( ?is slab !re mu/ be a numb] ( diff]5t lay]s1 & 9 ea* ( !m !re may be a diff]5t s]ies ( tracks4 ,to ^! la/ rem>ks !re is "o exception3 ! deep impression 9 :i* ! bird slipp$ 9 a lat]al direction corresponds ) an elevation on ! l[] surface1 9 :i* ! impression ( ^! toes is v di/9ctly display$1 & ev5 ! articulations4 ,moreov]1 "o ( ! tracks on ! inf]ior surface int]f]es ) ! out] track 9 ! sup]ior1 & t5ds 9 an opposite direction1 s t ?is la/-describ$ foot/ep mu/ h be5 made be=e ! o!r4 ,x is also obs]vable1 t1 :ile all ! o!r tracks are sup]ficial1 ?is la/ p5etrates ! :ole ?ickness ( ! slab2 ?us %[+ t ! diff]5t deposits cont9u$ "s "t 9 a s(t /ate4 ,on ! surfaces ( ?is slab1 p>ticul>ly on ! upp]1 !re are v>i\s m>ks besides ^? ( ! feet1 "s ( :i* seem to h be5 made by /raws1 or portions ( grass1 or /icks2 & !re is a curv$ l9e "s in*es 9 l5g?1 :i* seems to h aris5 f %r9kage4 ,9 ! collection ( ,mr4 ,m>%1,b !re 7 two slabs ( great size1 ea* measur+ t5 by six feet1 hav+ a great numb] ( impressions ( feet1 & ab\t ! same ?ickness z ! slab "u exam9ation4 ,"o ( ^! pres5t$ depressions2 & ! o!r1 correspond+ reliefs4 ,^! v int]e/+ relations 7 necess>ily p>t$ 9 ! sale ( ,mr4 ,m>%'s collection2 "o ( !m be+ obta9$ = ! ,bo/on ,society ( ,natural ,hi/ory1 & ! o!r = ! collection ( ,amh]/ ,college4 ,footnote ,b3 ,mr4 ,m>% 0 a me*anic ( ! t[n ( ,gre5field1 & procur$ 8 subsi/5ce by 8 daily labor4 ,be+ employ$ by ,dr4 ,deane 9 obta9+ ! s&/one slabs ( ,orni?i*nites1 he acquir$ a ta/e = ! pursuit1 ent]$ into x ) extraord9>y ardor1 & accumulat$ by 8 own labors a great collection ( f9e specim5s4 ,he un=tunately fell into a consumption1 & di$ 9 #aheb4 ,! collection 0 sold at public auction = a sum betwe5 two & ?ree ?\s& doll>s4 ,! specim5s 7 pur*as$ by ! ,bo/on ,society ( ,natural ,hi/ory1 by ,amh]/ ,college1 & by v>i\d colleges & sci5tific associations 9 ?is c\ntry4 ,! ,physical ,impressions1 accord+ to ,pr(essor ,d',orbigny1 are ( ?ree k9ds1 viz43 #a/1 ,ra9-drops2 #b;d1 ,ripple-m>ks2 & #c;d1 ,coprolites4 ,i h a slab :i* exhibits two leptodactyl\s tracks v di/9ct1 ab\t an in* & a half long1 surr\nd$ by impressions ( ra9-drops & ripple-m>ks4 ,ano!r specim5 exhibits ! impressions ( ra9 9 a m di/9ct & rem>kable mann]4 ,! impr9ts are ( v>i\s sizes1 f ^? :i* might be made by a common pea to o!rs f\r times its diamet]2 "s are deep1 o!rs sup]ficial & almo/ imp]ceptible4 ,!y are g5]ally circul>1 b "s are ovoid4 ,"s h ! edge equally rais$ ar\nd1 z if /ruck by a p]p5dicul> drop2 & o!rs h ! edge on "o "p fa9tly develop$1 :ile ano!r "p is v %>p & well def9$1 z if ! drop _h /ruck obliquely4 ,x has be5 sugge/$1 t ^! fossil ra9-drops may h be5 made by p>ticles ( hail2 b ,i ?9k ! v>iety ( size & dep? ( depression w\ld h be5 m consid]able if ?us made4 ,al?\gh we h necess>ily treat$ ! subject ( fossil footm>ks 9 a v brief way1 suffici5t has be5 said to %[ t ?is new bran* ( ,paleontology may lead to int]e/+ results4 ,! fact t !y are1 9 "s mann]1 peculi> to ?is region1 seems to call ^u our ,society to obta9 a suffici5t numb] ( specim5s to exhibit to sci5tific m5 a fair repres5tation ( ! condition ( ,i*nology 9 ?is qu>t] ( our c\ntry2 & we h !re=e great reason to congratulate ourselves1 t1 ?r\gh ! vigilance & _s ( our memb]s1 ! ,society has ! expectation ( obta9+ a ri* collection ( i*nological specim5s4 ,,fossil ,,impressions4--,,ii4 ,s9ce writ+ ! prec$+ article1 ,i h be5 able to obta91 ?r\gh ! k9dness ( ,presid5t ,hit*cock1 a numb] ( additional specim5s ( fossil impressions4 ,by ! aid ( ^!1 ,i may hope to give an idea ( ! sy/em ( impressions1 s f> z x has be5 discov]$1 )\t1 h[ev]1 attempt+ to ent] into m9ute details4 ,= ^!1 ,i w\ld ref] to ! acc\nt ( ! ,geology ( ,massa*usetts1 by ,presid5t ,hit*cock2 to 8 valuable article publi%$ 9 ! ,memoirs ( ! ,am]ican ,academy2 & to 8 geological works g5]ally4 ,! num]\s tracks :i* h be5 assembl$ toge!r 9 ! neighborhood ( ,connecticut ,riv] h af=d$ an opportunity ( prosecut+ ^! /udies to an ext5t unusual 9 ! primitive rocky soil ( ,new ,engl&4 ,^! appe>ances are n1 inde$1 :olly new4 ,su* traces _h be5 previ\sly met ) 9 o!r c\ntries2 b1 9 _! numb] & v>iety1 ! valley ( ! ,connecticut ab\nds above all places hi!rto inve/igat$4 ,tw5ty ye>s h elaps$ s9ce ! /udy ( ,i*nology has be5 prosecut$ 9 ?is c\ntry2 &1 9 ?is p]iod ( "t1 ab\t =ty-n9e species ( animal tracks h be5 di/+ui%$ 9 ! locality m5tion$1 accord+ to ,presid5t ,hit*cock2 :i* h be5 regul>ly arrang$ by him 9 gr\ps1 g5]a1 & species4 ,i propose n[ to lay ! specim5s1 rec5tly obta9$1 be=e ! ,society1 z a slight prep>ation = ! m num]\s & m valuable articles :i* !y are soon to receive4 ,! traces f\nd on anci5t rocks1 z has be5 %[n 9 ! previ\s article1 are ^? ( animals1 vegetables1 & unorganiz$ sub/ances4 ,! traces ( animals are produc$ by quadrup$s1 birds1 liz>ds1 turtles1 frogs1 mollusca1 worms1 cru/acea1 & zoophytes4 ,^! impressions are ( v>i\s =ms3 "s ( !m simple excavations2 "s l9es1 ei!r /raight or curv$1 & o!rs complicat$ into v>i\s figures4 ,presid5t ,hit*cock has bas$ 8 di/9ctions ( fossil animal impressions on ! foll[+ *>act]s1 viz43-- #a4 ,toes ?ick1 pa*ydactyl\s2 or ?91 leptodactyl\s4 #b4 ,feet w+$4 #c4 ,numb] ( toes f two to five1 inclusive4 #d4 ,absolute & relative l5g? ( ! toes4 #e4 ,div>ication ( ! lat]al toes4 #f4 ,angle made by ! inn] & middle1 out] & middle toes4 #g4 ,projection ( ! middle beyond ! lat]al toes4 #h4 ,di/ance betwe5 tips ( lat]al toes4 #i4 ,di/ance betwe5 tips ( middle & inn] & out] toes4 #aj4 ,position & direction ( h9d toe4 #aa4 ,"* ( claw4 #ab4 ,wid? ( toes4 #ac4 ,numb] & l5g? ( phalangeal expansions4 #ad4 ,"* ( ! heel4 #ae4 ,irregul>ities ( "u side ( foot4 #af4 ,v]s$ s9e ( curvature ( toes4 #ag4 ,angle ( axis ( foot ) l9e ( direction4 #ah4 ,di/ance ( po/]ior "p ( ! foot f l9e ( direction4 #ai4 ,l5g? ( /ep4 #bj4 ,size ( foot4 #ba4 ,"* ( ! integum5ts ( ! foot4 #bb4 ,coprolites4 #bc4 ,means ( di/+ui%+ bip$al f quadrup$al tracks4 ,by ^! *>act]s1 ,presid5t ,hit*cock has di/+ui%$ physiological tracks1 or ^? made by animat$ be+s1 into t5 gr\ps provisionally4 ,to ^! may be add$1 organic impressions1 made by organiz$ bodies2 & ! impressions made by inanimate bodies1 call$ physical impressions4 ,! specim5s "u our h&s enable u to give "s notion ( ! di/9ctions :i* *>act]ize ! great] "p ( ^! gr\ps4 99 99 99 99 99 ,,gr\p ,,fir/--,,/ru?iones4 ,! o/ri*-tracks pres5t a num]\s natural & mo/ rem>kable gr\p2 rem>kable f ! great size ( "s species1--all ( !m tridactyl\s & pa*ydactyl\s4 ,! o/ri* ( ! ,old ,_w has only two toes1 b ?is family exi/s 9 ,s\? ,am]ica at ! pres5t "t "u ! "n ( ,rhea ,am]icana2 & tracks ( an animal1 probably ( ! same family1 are f\nd 9 ! num]\s impressions ne> ,connecticut ,riv]1--all ( !m hav+ ?ree toes 9 front1 & ! rudim5t ( a f\r? beh9d4 ,?is gr\p conta9s a numb] ( g5]a4 ,! ,,fir/ ,,g5us1 d5om9at$ ,brontoz\m1 pres5ts ! tracks ( a mo/ extraord9>y bird4 ,^! tracks appe> less que/ionable s9ce ! discov]y 9 ,madagasc> ( ! eggs ( ! ,epyornis4 ,! tracks ( ! l>ge/ species1 ! ,,brontoz\m ,,giganteum1 are f\r times ! magnitude ( ^? made by ! exi/+ o/ri* ( ,africa4 ,!y are v num]\s1 & congregat$ toge!r4 ,! foot ( ! ,brontoz\m ,giganteum1 includ+ ! inf]ior extremity ( ! t>so-metat>sal bone1 :i* makes a "p ( ! foot1 measures 9 our specim5 tw5ty in*es2 9 ! ,ma/odon ,giganteus1 ! foot measures tw5ty-sev5 in*es2 ! wid? also is less1 be+ t5 in*es across ! metac>pals1 :ile t ( ! ,ma/odon is tw5ty-two3 b ! "o is a bird1 ! o!r a quadrup$4 ,! toes are ?ree 9 numb]1 & pres5t ! same divisions ) exi/+ birds2 ! inn] toe hav+ ?ree1 ! middle f\r1 ! out] five phalanges4 ,"s ( ! articulations ( ! toes ( ?is noble specim5 are rem>kable = ! mann] 9 :i* !y illu/rate ! mode ( =mation ( ! tracks4 ,^! phalanges h become sep>at$ f ! solid rock 9 :i* !y 7 encas$1 s z to be removable at pleasure2 & !y ?us %[ t ! :ole foot is n a simple impression 9 ! rock :i* conta9s x1 b a depression fill$ by =eign mat]ials1 i4e4 by s&1 clay1 & o!r relics ( pre-exi/+ rocks4 ,^! mat]ials _h be5 gradually deposit$ 9 ! m\ld =m$ by ! bird's foot1 & are !re=e indep5d5t ( ?is rock1 9 ! same way z ! pla/]-(-,p>is ca/ ( a too?1 or any o!r body1 is indep5d5t ( ! m\ld to :i* x owes its =m4 ,! impressions are 9 gray s&/one4 ,on ! rev]s$ surface ( ! slab is se5 a small piece ( brok5 qu>tz1 ab\t half an in* squ>e4 ,?is piece =ms a beautiful illu/ration ( a "p ( ! process by :i* ! s&/one rocks are =m$4 ,! second species ( ! same g5us is ! ,,brontoz\m ,,sillimanium4 ,( ?is we h ?ree specim5s2 ! tracks h ! same g5]al "* ) ! prec$+1 b are small]4 ,! ?ird species ( ?is g5us is /yl$ ! ,,brontoz\m ,,loxonyx1 f loxos1 a b[1 & onyx1 a nail1--a curv$ nail4 ,x is small] ?an ! ,sillimanium1 & has ! nail set to "o side4 ,! f\r? species1 /ill small]1 is ! ,brontoz\m ,gracillimum4 ,on ?is slab ! impressions are 9 relief2 viz43 #a/1 ( ,brontoz\m ,gracillimum2 #b;d1 ( ,brontoz\m ,p>allelum2 #c;d1 ( ! track ( a tortoise1 f\rte5 in*es long1 & two wide4 ,o!r ext5sive em95ces & depressions1 ) ra9-drops1 may be obs]v$ on ! same surface4 ,! fif? species is call$ ,,brontoz\m ,,p>allelum1 f ! tracks be+ on a l9e ) ea* o!r4 ,( ?is !re are two specim5s1 "o ( !m1 h[ev]1 be+ a s+le track4 ,on ! surface ( ! o!r slab !re are at lea/ five di/9ct tracks1 "o ( !m be+ a small new & undescrib$ species1--?us mak+ ! :ole numb] ( species ( ,brontoz\m :i* we possess to be at lea/ six4 ,! ,,second ,,g5us ( ,/ru?iones is call$ ,a,ethyopus1 f ai?uia1 a gull1 & p\s1 a foot1--gull-foot$4 ,?is g5us is small] ?an ! ,brontoz\m ,giganteum2 & we h two species1 viz4 ! ,,ae?yopus ,,lyellianus1 :i* is ! l>g]1 & two specim5s ( ,,ae?yopus ,,m9or4 ,all ( ^! are di/+ui%$ f ! prec$+ g5us by ! w+$ foot1 & 9 ! ,lyellianus by ! %all[ness ( ! impression4 ,! ,a,ethyopus ,m9or is n always di/+ui%$ by ! sup]ficiality ( its impression4 ,?is is sometimes deep4 ,!re=e ?is "* may n be consid]$ a di/9ctive "o1 or ! ,a,ethyopus ,m9or might be ref]r$ to ano!r g5us4 ,( ! two specim5s ( ?is latt] species1 ! fir/ is 9 depression1 tridactyl\s4 ,! depressions are deep ) ra9-drops1 m>ks ( quadrup$s & zoophytes ov] ! :ole surface4 ,! orni?i*nic impressions are two 9 numb]2 "o sup]ficial1 ! o!r v deep4 ,! rev]s$ surface ( ?is slab conta9s "o tridactyl\s impression 9 relief4 ,! second specim5 has ?ree depressions2 two ( :i* are sup]ficial1 & ! ?ird is q deep1 display+1 by a depress$ surface1 ! webb$ "* ( ! foot4 99 99 99 99 99 ,,gr\p ,,second4 ,we %all take1 to *>act]ize ?is gr\p1 ! ,argoz\m1 f arges1 swift1 w+$4 ,( ?is g5us !re are two species1 ! l>g] ( :i* is ! ,,argoz\m ,,disp>idigitatum4 ,x is leptodactyl\s1 & rem>kable = ! l5g? ( ! middle toe4 ,we h ano!r species1 :i* is small] ?an ! la/ nam$1 & 9 :i* ! toes are ne>ly ( equal l5g?2 h5ce call$ ,,argoz\m ,,p>idigitatum4 ,! o!r g5us ( ?is gr\p is ! ,,platypt]na1 & our specim5 is nam$ ,deaniana4 ,?is g5us is rem>kable = ! wid? ( ! heel2 h5ce ! "n1 f platys1 broad1 & pt]na1 a heel4 ,x has ?ree toes l ! o!r g5]a ( ?is gr\p4 99 99 99 99 99 ,,gr\p ,,?ird4 ,?is & ! succe$+ gr\p are tetradactyl\s2 hav+ "o toe beh9d1 ?ree =w>ds4 ,! ?ird gr\p is leptodactyl\s2 foot usually small1 b sometimes ( m$ium size4 ,( x we h two specim5s1 viz43 ,,orni?opus ,,gall9aceus1 & ,,orni?opus ,,gracilis4 ,! =m] is s call$ f ! resemblance to ! dome/ic f[l3 = conv5i5ce sake1 9 ?is & o!r in/ances1 we use ! :ole = a "p4 ,x is ab\t ?ree in*es 9 l5g?1 & ! ,orni?opus ,gracilis ab\t two4 ,?is latt] specim5 is p>ticul>ly int]e/+4 ,x consi/s ( two p>ts1 :i* op5 l ! cov]s ( a book4 ,^! cov]s pres5t f\r impressions3 fir/1 ! sup]ficial1 :i* is di/9ct1 sl5d]1 & beautiful--! heel is broad2 second1 correspond+ ) ?is depression & on ! inside1 is a figure 9 relief z di/9ct z ! depression2 ?ird1 on ! inside ( ! second cov] is a depression correspond+ ) ! relief la/ m5tion$2 f\r?1 on ! out] side is a second relief correspond+ ) ! second depression1 b less di/9ct ?an ei!r ( ! o!r ?ree1 /ill1 h[ev]1 exhibit+ ?ree toes po9t+ ant]iorly1 b ! h9d toe is want+4 ,! :ole ( ?is d\ble slab =ms a s]ies ( cameos & intaglios1 measur+ f\r in*es by ?ree1 & 9 ?ickness an in* & a qu>t]4 99 99 99 99 99 ,,gr\p ,,f\r?4 ,( ! f\r? gr\p we h five specim5s4 ,! ,tria5opus1 s call$ f its resemblance to a trid5t1 has besides ?ree leptodactyl\s toes po9t+ =w>ds1 a f\r? ext5d+ backw>ds 9 a rem>kable way1 l ! h&le ( a trid5t2 ! impression1 h[ev]1 be+ exp&$ s z to %[ an ext5sive displacem5t ( ! mud4 ,all ! specim5s ( ,tria5opus are 9 a beautiful r$ %ale1 v ?9 & fragile1 b pres5t+ well-def9$ impressions1 g5]ally ab\t ?ree in*es long4 ,!re are two species to ?is g5us4 ,( ! ,,tria5opus ,,emmonsianus we notice ?ree impressions 9 relief4 ,9 ano!r specim5 !re is ! appe>ance ( a "p ( ! toes ( ! ,anomoepus ,scambus1 & on ! upp] side are se5 two excavations correspond+ ) ! ?ree impressions4 ,9 ! la/ slab1 ! track ( ! ,,tria5opus ,,baileyanus appe>s to h be5 made by two feet plac$ successively 9 ! same spot1 :i* l$ ,presid5t ,hit*cock to suspect x might h be5 made by a quadrup$4 ,"o ( ! specim5s has ! ,tria5opus tracks int]mix$ 9 a peculi> way ) o!r impressions4 ,! specim5 repres5t+ ! g5us ,,h>p$actylus is l>g] ?an ! prec$+2 &1 ?\gh leptodactyl\s1 ! toes are mu* broad] & also m curv$1 :5ce ! "n ,h>p$actylus1 sickle-f+]1 f h>pe & daktylos4 99 99 99 99 99 ,,gr\p ,,fif?4 ,! fif? gr\p diff]s mu* f ! f\r previ\s ones4 ,9 ?is & ! foll[+ gr\ps we pass f ! ve/iges ( birds to ^? ( o!r animals1 "s ( :i* are bip$s1 "s quadrup$s4 ,_m impressions are )\t any di/9ct "*1 belong+ probably to ! l[] animals1 to vegetables1 & unorganiz$ bodies4 ,! fif? gr\p compreh5ds ! tracks ( an extraord9>y animal1 ! ,,otoz\m4,c ,! "n :i* has be5 giv5 to x is tak5 f t ( an anci5t giant1 ,otus1 :o ) 8 bro!r ,ephialtes1 accord+ to hea!n my?ology1 made w> ) ! gods4 ,^! fabl$ giants 71 at n9e ye>s ( age1 n9e cubits 9 wid? & n9e fa?oms 9 height4 ,footnote ,c3 ,! specific "n ( ,moodii has be5 atta*$ to ! ,otoz\m1 f its hav+ be5 discov]$ by ,mr4 ,moody4 ,! foot is divid$ into f\r toes2 ! two out] ( :i* seem to be connect$ by a common basis4 ,! inn] toe has ?ree phalanges2 ! second toe1 also ?ree2 ! ?ird & f\r? toes1 f\r ea*4 ,! fir/ is ! %orte/1 ! second long]1 ! ?ird longe/1 ! f\r? %ort] ?an ! ?ird4 ,x w appe>1 !n1 t ?is track diff]s f t ( birds 9 ! numb] ( toes po9t+ =w>ds2 ^! be+ f\r1 :ile 9 birds ! =w>d toes are only ?ree4 ,!re is a diff]5ce also 9 ! numb] & arrangem5t ( ! articulations4 ,! track 9 our possession is tw5ty in*es long by ?irte5 & a half in*es broad4 ,! rock 9 :i* x is imb$d$ is a d>k-color$ s&/one4 ,presid5t ,hit*cock has a slab %[+ a regul> s]ies ( tracks ( ?is animal2 ! di/ance betwe5 ! /eps be+ ab\t ?ree feet1 & ! tracks equidi/ant & alt]nate1 :i* w\ld n be ! case if ! animal _h be5 quadrup$al4 ,9 a quadrup$1 ! horse = example1 ! h9d feet are set d[n ne> ! =e feet1 & sometimes ev5 /rike !m4 ,h5ce x mu/ be inf]r$ t ! track 9 "q 0 t ( a bip$1 or ( a quadrup$ :i* did n use its =e feet 9 progression1 l a kang>oo4 ,we naturally ask1 ,:at k9d ( bip$ c\ld ?is h be58 ,evid5tly n a man1 ! size ( ! foot be+ too l>ge to admit su* a supposition2 nor c\ld x h be5 a bird1 ! numb] ( toes & _! direction n admitt+ ?is hypo!sis4 ,tetradactyl\s birds1 or ^? :i* h f\r toes1 h only ?ree ( !m direct$ =w>ds1 & ! f\r? backw>ds1 g5]ally4 ,!re are1 h[ev]1 exceptions2 "s birds h f\r toes direct$ =w>ds3 ?is is ! fact ) ! ,hirundo ,cypselus & ! ,pelicanus ,aquilus ( ,l9naeus1 or ,man-(-w> ,bird4 ,b ! articulations are diff]5t 9 ! two animals1 birds hav+ regul>ly two1 ?ree1 f\r1 & five phalanges1 & ! spur1 :]e x exi/s1 support$ by a s+le osse\s phalanx2 :]eas ! ,otoz\m has ?ree phalanges 9 ! inn] & second toe1 f\r 9 ! ?ird & f\r? toes4 ,9 ?is la/ arrangem5t1 ! ,otoz\m is decid$ly diff]5t f all kn[n birds4 ,x is n likely to h be5 a tortoise or a liz>d4 ,! kang>oo has f\r feet1 & uses only two 9 progression1 mov+ =w>d by leaps2 also1 l ! ,otoz\m1 x has f\r toes2 b ! size ( ! toes does n accord ) t ( ! ,otoz\m1 nor is ! /ructure ( ! foot ! same1 s f> z we "k4 ,x has be5 sugge/$ by ,pr(essor ,agassiz1 t ?is animal might h be5 a two-foot$ frog4 ,nature _h1 9 ^? days1 animal =ms diff]5t f ^? we are acqua9t$ )2 & ?is might h be5 ! fact ) ! ,otoz\m4 99 99 99 99 99 ,,gr\p ,,six?4 ,we h 9 ?is gr\p a specim5 ( ! track ( a f\r-foot$ animal1 :i* may h be5 a frog1 ?\gh diff]5t f ours4 ,! feet are unequal 9 size1 & pres5t a diff]5t numb] ( toes4 ,9 exi/+ frogs !re are f\r toes 9 ! =e feet1 & five 9 ! h9d2 b1 9 ! specim5 be=e u1 ! front toes are five 9 numb]1 & ! back toes ?ree4 ,x is call$1 !re=e1 ,,anomoepus1 unequal-foot$4 ,^! impressions are 9 ! r$ %ale ( ,hadley1 & v di/9ct4 ,9 "s ( !m ! l[] leg is indicat$1 =m+ an impression six or sev5 in*es long4 ,! feet be+ small] ?an ! legs1 ! impression made by ! latt] is m exp&$1 sup]ficial1 & broad]1 yet /ill v def9ite4 ,! op9ion ( ,presid5t ,hit*cock & ,dr4 ,deane is1 t ! diff]5t impressions ( five & ?ree toes are ^? ( ! ant]ior & po/]ior extremities ( "o animal1 :i*1 f ! size ( ! limbs1 might be a frog ?ree feet high4 ,on ! same s*i/ ) ^! footm>ks1 are o!r curi\s impressions4 ,! back ( ! slab is almo/ cov]$ ) ! impr9ts ( ra9-drops4 ,9 ! mid/ ( ^! is a tridactyl\s impression1 probably ( a quadrup$1 cross$ at its root by a s+le depression1 ne>ly an in* broad1 & two & a half long3 ?is seems to =m "p ( ano!r broad sup]ficial impression ( ab\t sev5 by f\r in*es1 :i* is probably also quadrup$al4 ,o!r p>ts pres5t ! impressions ( nails & worm-tracks4 ,at ! opposite end is a deep1 smoo?1 regul> excavation1 :i* might h be5 made by a ,m$usa4 99 99 99 99 99 ,,gr\p ,,sev5?4 ,! sev5? gr\p conta9s ! impressions ( ! feet ( ,saurians or liz>ds4 ,we h a specim5 ( quadrup$al m>ks1 ) five toes to ea* foot1 ab\t an in* long1 :i* may h be5 made by ^! animals4 ,! impressions are small1 b v di/9ct4 ,!re are liz>ds ( ! pres5t day ) five toes1 ab\t ! size ( ^! impressions2 & ^! may1 !re=e1 be set d[n z belong+ to ?is ord] ( reptiles4 ,l a numb] ( ! la/-nam$ specim5s1 !y are 9 r$ %ale4 99 99 99 99 99 ,,gr\p ,,eigh?4 ,! eigh? gr\p is assign$ by ,presid5t ,hit*cock to ! ,*elonian or turtle tribe4 ,! slab be>+ impressions ( ,brontoz\m ,gracillimum has a m>k ab\t f\rte5 in*es long & two wide1 :i* may be attribut$ to ! pla/ron or brea/-plate ( ! tortoise4 ,on ! slab f ,turn]'s ,falls !re is a longitud9al furr[1 :i* might h be5 made by ! tail ( a turtle2 & 9 v>i\s ( our slabs are impressions :i* we ?9k belong to ?is tribe4 ,we %all h occasion to notice h]eaft] rem>kable tracks ( ^! animals 9 ! old r$ ( ,moray%ire1 9 ,scotl&4 ,! mo/ di/9ct ( ! traces ( *elonians are on ! l>ge slab lately obta9$ = me by ,presid5t ,hit*cock f ,gre5field4 7,vide ,plate47 ,?is int]e/+ slab conta9s ! traces ( quadrup$s1 v>i\s birds1 & two trails ( *elonians3 ! l>ge/ ( ^! is ne>ly five feet long1 & f\r in*es 9 diamet]4 ,! trail is compos$ ( a numb] ( p>allel elevations1 comp>atively sup]ficial4 99 99 99 99 99 ,,gr\p ,,n9?4 ,( ! n9? gr\p1 conta9+ ! m>ks ( ,annelidae1 ,cru/acea1 & ,zoophytes1 we h v>i\s specim5s4 ,! impressions ( insects d n seem z yet to h be5 di/+ui%$ on ! anci5t rocks4 ,!re is reason to believe1 h[ev]1 t _m ( ! m>ks we discov] 9 ! rocky b$s might h be5 made by ! feet & bodies ( l>ge insects2 & small species ( ! same tribes h be5 f\nd imb$d$ 91 & actually con/itut+1 imm5se masses ( calc>e\s & silice\s rocks4 ,! tracks ( worms are num]\s4 ,no d\bt ^! worms drew toge!r a conc\rse ( birds to ! %ores on :i* !y roll$4 ,on v>i\s slabs we f9d long cyl9drical furr[s1 ab\t ! eigh? ( an in* 9 diamet]1 & ( diff]5t l5g?s2 "o ( !m1 9 ! slab f ,dr4 ,deane1 be+ eight or n9e in*es long4 ,to ^! impressions ! "n ( ,,h]py/ez\m1 f h]py/es1 crawl+1 has be5 giv54 ,!y v>y1 h[ev]1 & "s ( !m are v likely to be ! tracks ( ! common e>?-worm1 or ( "s species ( worm :i* exi/$ :5 ^! rocks 7 =m$4 ,^! impressions v>y 9 l5g? & 9 diamet]2 "s ( !m are mod]ately regul>1 & o!rs irregul>ly curv$4 ,v int]e/+ tracks h be5 f\nd 9 ! anci5t ,potsdam :ite s&/one ( ,beauh>nais1 on ! ,/4 ,lawr5ce1 by ,mr4 ,logan1 an excell5t geologi/ ( ,canada1 & det]m9$ by ,pr(essor ,ow5 to belong to ,cru/acea1 crabs4 ,! numb] ( impressions made by ea* foot is sometimes sev51 sometimes eight1 & ev5 m4 ,?is track1 %[+ ! traces ( ,cru/acea1 goes to =m ano!r l9k 9 ! *a9 ( fossil foot/eps4 ,! ,m$usae1 commonly call$ jelly-fi%1 dissolv+ z !y d "u ! influ5ce ( ! sun & air1 w\ld h>dly be expect$ to leave _! traces impress$ on anci5t rocks4 ,pr(essor ,d',orbigny1 h[ev]1 has wat*$ ! dissolution ( ^! animals on ! sea-%ore1 & f\nd t1 aft] wa/+1 !y may leave _! impressions on ! s&2 :i*1 n be+ di/urb$ by a high tide = ne>ly a mon?1 reta9s ! impression ( ! zoophyte1 & s]ves z a m\ld to receive mat]ials :i* take a ca/ & transmit x to subsequ5t ages4 ,we f9d "o ( ^! impressions on ! slab ( ! ,anomoepus ,scambus2 & ,presid5t ,hit*cock1 hav+ exam9$ x1 is ( op9ion t x reta9s ! traces ( a ,m$usa4 ,! impression is ab\t five in*es 9 diamet]1 ( a d>k] color & smoo!r texture ?an ! re/ ( ! rock4 ,its edges fade away gradually 9 ! surface ( ! subjac5t s&/one4 ,a simil> impression is f\nd on ! sup]ior surface ( ! slab conta9+ ! ,argoz\m4 99 99 99 99 99 ,,gr\p ,,t5?4 ,! t5? gr\p conta9s ! ,,h>pagopus1 a "n d]iv$ f h>page1 seizure1 rap9e4 ,x is repres5t$ by ,presid5t ,hit*cock z hav+ ! =m ( a drag4 ,! figure giv5 by him resembles 9 a degree ! foot ( ! ,african o/ri*2 be+ a long ?ick toe1 ) a %ort] "o1 n unlike a ?umb1 on ! side4 ,an impression approximat+ ?is1 b ( small size1 may be se5 on ! slab ( ! ,anomoepus ,scambus4 99 99 99 99 99 ,! =mation ( bird-tracks is well repres5t$ by a clay specim51 ab\t an in* ?ick1 & t5 in*es long4 ,?is is a piece ( dri$ clay1 obta9$ by ,presid5t ,hit*cock f ! banks ( ! ,connecticut1 & produc$ by wa%+s f clay on ! %ore above1 cov]$ ) foot-impressions ( a small tridactyl\s bird1 & dri$ 9 ! sun4 ,?is piece %[s1 9 a way n to be que/ion$1 ! mann] 9 :i* ! anci5t ve/iges 7 produc$4 ,sir ,*>les ,lyell notic$ a simil> fact on ! banks ( ! ,bay ( ,fundy4 ,,organic ,,impressions4 ,! second great division ( fossil impressions is call$ ,,organic1 mean+ impressions made by organiz$ bodies2 ! bones ( animals1 fi%es1 & vegetables4 ,ne> "o extremity ( ! slab ( ! ,orni?opus ,gall9aceus is an elevation1 ab\t a foot long1 & betwe5 "o & two in*es wide1 project+ f ! surface ne>ly half an in*4 ,x has ! appe>ance ( a r\nd b> ( iron imb$d$ 9 ! rock1 :i* is clayey s&/one4 ,?is app>5t b> ( iron 0 probably a bone1 buri$ 9 ! /one1 n[ silicifi$ & impregnat$ ) iron2 ! animal matt] hav+ entirely disappe>$4 ,9 ! slab ( ! ,brontoz\m ,sillimanium is a projection ab\t sev5 or eight in*es long1 & half an in* wide2 probably ! bone ( an animal1 p]haps a clavicle ( ! ,brontoz\m ,giganteum4 ,! ve/iges ( fi%es are v num]\s 9 ! s&/one rocks ( ,connecticut ,riv]4 ,we h n less ?an two doz5 specim5s f ?is locality2 a numb] equal to all ! o!r specim5s 9 our collection4 ,^! impressions ( fi%es are g5]ally f ?ree to six in*es long1 & ?ree or f\r in*es wide4 ,!y are ( ! gr& division d5om9at$ by ,pr(essor ,agassiz het]oc]cal1 hav+ _! tails unequally bilob$1 f ! p>tial prolongation ( ! dorsal sp9e2 & !y are consid]$ to be ( l[] antiquity ?an ! fi%es :i* are entirely het]oc]cal4 ,! mo/ rem>kable ( ! fi%-specim5s 9 our collection is a ,,cephalaspis 7873 ?is fi% is f\nd 9 ! specim5 conta9+ tracks ( ! ,brontoz\m ,gracillimum1 & traces ( a turtle or tortoise4 ,?is fossil 0 discov]$ 9 ! upp] lay] ( ! old r$ s&/one ( ,scotl&1 & _h be5 mi/ak5 by "s = a trilobite3 to u x appe>$ to be a ,limulus1 b fur!r obs]vation leads u to believe x to be a ,cephalaspis4 ,x exhibits a convex disc1 f\r in*es across1 by two in*es f above d[nw>ds1 & a tail at "r angles ) ! disc1 ! uncov]$ "p ( :i* is ?ree in*es long4 ,! animal has be5 describ$ by ,pr(essor ,agassiz z be+ compos$ ( a /rong buckl]1 ) a po9t$ horn at ei!r t]m9ation ( ! cresc5t1 & an angul> tail4 ,to ! vegetable impressions discov]$ among ! s&/one rocks a peculi> "n has n yet be5 assign$4 ,:51 h[ev]1 we consid] ! /rong probability t _m impressions ( /alks1 leaves1 fruits1 & o!r p>ts ( vegetables1 may be h]eaft] discov]$ 9 ^! rocks1 x w be f\nd conv5i5t to h a di/9ctive d5om9ation4 ,va/ numb]s ( vegetable impressions ( a di/9ct & beautiful appe>ance1 & 9 great v>iety1 h be5 f\nd 9 ! coal-=mation1 :i* is ne>ly alli$ to ! s&/one3 su* are ! ,sigill>ia1 ,/igm>ia1 ,equisetaceae1 ,lycopodiaceae1 ,conif]ae1 ,cycadeae1 c4 ,x is suffici5t to say t ! numb] ( ^! has be5 already swell$ to _m hundr$s3 we mu/ also believe1 t "s ( ! impressions 9 s&/one rocks :i* h be5 assign$ to o!r sub/ances ought to be attribut$ to vegetables4 ,we may1 !re=e1 v5ture to call ! vegetable impressions phytological4 ,a numb] ( our slabs be> impressions ( vegetables2 ei!r twigs ( trees1 or spires ( plants4 ,9 a fragm5t brok5 f "o ( ! toes ( ! ,brontoz\m ,giganteum1 we see a cyl9drical depression1 ?ree in*es long1 & half an in* 9 diamet]1 m>k$ by transv]se l9es1 ab\t ! six? ( an in* ap>t1 & pres5t+ an unque/ionable appe>ance ( a fragm5t ( a twig ( an anci5t vegetable1 :i* _h be5 trodd5 "u ! foot ( ! mighty ,brontoz\m4 ,on ! rev]s$ surface ( ! same slab are f\nd impressions1 :i* 7 produc$ by a numb] ( fragm5ts ( /icks1 five or six in*es long1 ly+ at "r angles1 or ne>ly s4 ,"o ( ^! /icks has be5 brok51 & its pieces are slightly displac$ f ea* o!r4 ,v>i\s o!r specim5s conta9 ! m>ks ( /icks1 or twigs ( trees4 ,! /riae1 s di/9ctly disc]nable 9 a numb] ( ^! portions1 hav+ be5 comp>$ ) twigs ( ! exi/+ conif]ae 7871 7 f\nd to resemble !m4 ,"s ( ^! /icks %[ ! appe>ance ( incipi5t c>bonization2 yet ! rock is s&/one1 pres5t+1 z already m5tion$1 di/9ct appe>ances ( qu>tz1 & o!r sub/ances ( :i* ! ar5ace\s rocks are compos$4 ,,physical ,,impressions4 ,! ?ird great division ( impressions 9 ! s&/one rocks is call$ ,,physical1 mean+ ^? made by inanimate & unorganiz$ sub/ances2 su* are ra9-drops1 ripple-m>ks1 & coprolites4 #a4 ,m>ks ( ra9-drops1 describ$ on page #bj1 appe> to be q common4 ,we h two or ?ree specim5s 9 relief1 & z _m 9 depression4 ,!y occur z foll[s3 #a/1 on ! upp] surface ( ! slab fir/ describ$2 #b;d1 on t ( ! ,platypt]na2 #c;d1 on t ( ! ,a,ethyopus ,lyellianus2 #d?1 on t ( ! ,brontoz\m ,gracillimum2 #e?1 on t ( ! ,a,ethyopus ,m9or2 #f?1 on t ( ! ,anomoepus ,scambus2 #g?1 on ! rec5t clay2 also 9 "o small h&-specim51 & 9 a second conta9+ two fi%es4 ,!y %[ t1 9 ^? anci5t p]iods :5 ! ,brontoz\m ,giganteum & ! ,otoz\m resid$ 9 ^! p>ts1 %[]s 7 frequ5t1 & probably abundant = ! supply ( ! wants & ! gratification ( ! appetites ( ^! animals1 !n common1 b :i* n[ appe> to u s extraord9>y4 #b4 ,ripple-m>ks are se5 9 a numb] ( ^! pieces2 = example1 on ! slab fir/ describ$1 on ! ,brontoz\m ,sillimanium slab1 on ! ,brontoz\m ,gracillimum slab1 on "o ( ! ,tria5opus1 & on ! upp] surface ( ! ,gre5field slab4 ,^! m>ks are repres5t$ by p>allel curves1 or /raight l9es1 di/ant f ea* o!r f half an in* to an in*1 & pres5t+ a slight degree ( prom95ce4 ,!re is ano!r =m ( ripple-m>ks7871 diff]+ f ^? above describ$4 ,^! are ( a circul> & mammill>y =m3 !y are /rew$ ?ickly1 l little islets1 approximat+ to ea* o!r4 ,!y are se5 di/9ctly on "o ( ! slabs ( ! ,brontoz\m ,sillimanium1 on t ( ! ,a,ethyopus ,lyellianus1 & "s o!rs4 ,:e!r !y are to be consid]$ z accumulations ( s& & clay1 =m$ by ! action ( ! sea1 we are unc]ta92 b !re seems to be no o!r cause to :i* !y c be assign$ ) s great probability4 #c4 ,coprolites1 ! fossiliz$ ejections ( animals1 are int]mix$ ) o!r animal ve/iges 9 ! s&/one ( ,connecticut ,riv]1 & af=d additional pro( ( ! =m] exi/5ce ( animals ab\t ^! rocks4 99 99 99 99 99 ,! late/ acc\nts ( fossil footpr9ts we h _h occasion to notice are ^? ( ! ,cru/acea1 already m5tion$1 z f\nd 9 ,canada1 & ( ! ,*elonian 9 ,scotl&4 ,! ,canadian impressions1 call$ by ,pr(essor ,ow5 ,proti*nites1 7 discov]$ 9 ! ye> #ahdg1 & 7 laid be=e ! ,london ,geological ,society 9 #ahea4 ,! mo/ rem>kable circum/ance ab\t !m 0 _! exi/5ce1 z already /at$1 9 a :ite s&/one1 ne> ! banks ( ! ,riv] ,/4 ,lawr5ce1 at ,beauh>nais4 ,?is s&/one1 :i* has be5 describ$ by ,new ,york geologi/s "u ! "n ( ,potsdam1 is ?\ght to belong to ! ,silurian sy/em1 & to h a high] antiquity ?an ev5 ! old r$4 ,! ,scot* foot/eps are situat$ 9 ! old r$ s&/one1 & are ^? ( a ,*elonian4 ,s t we h n[ two s]ies ( tracks1 ! ,cru/acea 9 ,canada & ! ,*elonian 9 ,scotl&1 ( high] antiquity ?an any :i* _h be5 previ\sly discov]$4 99 99 99 99 99 ,on a review ( ! labors ( ,presid5t ,hit*cock1 we are /ruck ) admiration at ! imm5se details t1 9 ! mid/ ( ardu\s (ficial & lit]>y duties1 he has be5 able to g ?r\gh ) 9 ! p]iod s9ce ! foot-tracks 7 discov]$ on ,connecticut ,riv]4 ,al?\gh 8 labors %\ld be modifi$ by succe$+ obs]v]s1 ,sci5ce mu/ be ev] grateful to him = lay+ ! f\ndation1 & do+ s mu* = ! completion1 ( a "w s great1 novel1 & int]e/+4 ,?is inquiry seems to u to promise a ri* v>iety2 & we hope t ,presid5t ,hit*cock & o!r obs]v]s w cont9ue to explore & cultivate x ) undim9i%$ zeal4 ,,description ,,( ,,! ,,plate4 ,we are indebt$ to ,photography = enabl+ u to repres5t ! rem>kable slab f ,gre5field1 & its num]\s objects1 9 a small space1 yet ) p]fect accuracy4 ,?is slab is f\r feet sev5 & "o-half in*es 9 "o direction1 & f\r feet "o in* transv]sely to ?is2 9 ?ickness x measures ab\t an in*4 ,x is compos$ ( gray s&/one1 9 :i* ! micace\s elem5t is conspicu\s1 & conta9s _m int]e/+ impressions on bo? surfaces4 ,! mo/ int]e/+ surface is ! inf]ior2 & ! objects are1 ( c\rse1 pres5t$ 9 relief4 ,!y are1 fir/1 two ,*elonian tracks2 second1 f\r sets ( bird-tracks2 ?ird1 foot/eps ( an unkn[n animal4 ,! ,*elonian tracks are two 9 numb]3 ! longe/ measures f\r feet t5 in*es2 ! %ort]1 two feet n9e in*es4 ,bo? ( ^! impressions are made app>5tly by ! pla/ron ( ! turtle4 ,!y are f f\r to eight in*es 9 wid?1 & compos$ ( elevat$ /riae4 ,^! /riae are =m$ by rais$ l9es1 pursu+ a c\rse g5]ally regul>1 b accompani$ ) "s inflections3 !y are1 z ! plate repres5ts1 v di/9ct4 ,! %ort] track appe>$ to me to be cross$ by ano!r2 b ! photographic impression1 ?\gh only a few in*es long1 enabl$ me to asc]ta9 t ?is appe>ance 0 produc$ by bird-tracks above & bel[4 ,! bird-tracks are all tridactyl\s4 ,! fir/ set lies above & to ! "r ( ! %ort] turtle-track1 & is compos$ ( only two /eps1 proce$+ 9 ! c\rse ( ! plate d[nw>ds4 ,! second set ( bird-tracks has five impressions1 ext5d+ f ! "r sup]ior po9t$ angle ( ! slab across ! small turtle-track to ! l>g]1 9 :i* x is lo/4 ,! ?ird set ( bird-tracks beg9s by an impression l>g] ?an any o!r on ! piece at ! left extremity ( ! long] turtle-track2 & ! rema9d]1 ?ree 9 numb]1 desc5d+ t[>ds ! "r1 are ! lea/ di/9ct ( any4 ,! f\r? set ( bird-tracks beg9s bel[ ! long] turtle-track1 & asc5ds by f\r impressions1 cross+ ! track till x meets ! fir/4 ,! mo/ curi\s track1 consi/+ ( six digitat$ impressions1 /ill rema9s4 ,! fir/ is se5 on ! left ( ! long] turtle-track1 ne> ! l>ge/ bird-track2 ! second is on ! track2 ! ?ird is above ! track2 ! o!rs cross ! slab by fa9t] impressions4 ,ea* ( !m is compos$ by two feet1 & ea* foot conta9s f\r toes1 :i* are se5 m di/9ctly 9 "s impressions ?an 9 o!rs4 ,! l>ge/ ( ^! d\ble tracks is ab\t ?ree in*es 9 diamet]4 ,p]haps x w\ld be useless to speculate ^u :at k9d ( animal !y 7 made by4 ,!re is a simil>ity betwe5 ^! & ! tracks ( ! ,anomoepus ,scambus1 spok5 ( 9 ! six? gr\p4 ,9 ! latt]1 h[ev]1 ! toes are five & ?ree4 ,"s exp]i5c$ p]sons ?9k !y are tracks ( ! m9k1 ,mu/ela ,lutreola1 an animal common at ! pres5t day 9 ^! p>ts4 ,?is has five toes2 b x may be 9 ?is z 9 "s o!r digitigrades1 t "o ( ! toes 9 ea* foot does n make an impression2 or p]haps x is saf] to believe1 till fur!r inve/igation is made1 t x 0 an animal ( a con/ruction n n[ exi/+4 ,! direction ( ^! tracks pres5ts a puzzle we are n able to unravel2 x exhibits ! impressions ( f\r toes1 & we h suppos$ x might possess five4 ,9 ei!r ( ^! cases1 we h no "r to consid] x a bird-track1 b probably a reptile or a mammal4 ,admitt+ ?is to be ! fact1 we are unable to acc\nt = ! direction ( ! /eps1 :i* is n alt]nate1 z 9 ! quadrup$1 b 9 /raight l9es4 ,9 o!r words1 ?is animal1 suppos$ to h f\r legs1 gives u ! impressions ( two only1 & bo? ( ^! plac$ toge!r4 ,:5 ! tridactyl\s tracks are att5tively consid]$1 comp>$ ) ea* o!r1 & ) ! digitat$ tracks1 !y appe> to exhibit ! "* ( ! impressions ( ! feet ( birds s v decid$ly1 t x w\ld require some?+ m ?an a philosophic incr$ulity to "q _! orni?ic orig94 ,! o!r side ( ?is slab conta9s int]e/+ impressions4 ,9 ! fir/ place1 ?is surface is cov]$ ) ripple-m>ks1 ea* ab\t two in*es broad1 ext5d+ ) v>i\s degrees ( di/9ctness across ! slab1 & hav+ an int]val ( an in*4 ,! wid? ( ! ridges is great] ?an 9 any ( ! specim5s we h se54 ,?is surface is almo/ cov]$ by ra9-drops4 ,x has also1 among o!r impressions1 "o :i* has be5 drawn by ,mr4 ,silsbee1 our photographi/1 & repres5t$ by ! figure bel[ ( its prop] size4 ,?is figure1 ne>ly f\r & a half in*es 9 l5g?1 is an exact resemblance 9 =m1 b n 9 size1 ( ! great ,otoz\m1 z depict$ by ,presid5t ,hit*cock1 & %[n by ! actual impression1 9 our h&s1 ( ! great foot1 tw5ty in*es long1 & ( proportionate bread?4 ,! =m ( ! heel1 or po/]ior "p ( ! foot1 is ! same 9 ! two figures2 ! toes are equal 9 bo?1 viz4 f\r 9 numb]2 ! two int]nal toes correspond 9 _! articulations1 & ! two ext]nal are ne>ly alike1 ) a little all[ance = a diff]5t am\nt ( adipose texture4 ,:e!r ?is 0 ! impression ( an infant ,otoz\m1 ,i pret5d n to det]m9e3 ! draw+ 0 tak5 by a g5tleman :o knew no?+ ( ! ,otoz\m4 ,!re are simil> impressions1 small] ?an t la/ describ$1 on ! same surface4 ,! /one1 ?\gh n[ v h>d & intractable1 hav+ resi/$ all ! *emical ag5ts we c\ld employ1 mu/ h rema9$ 9 a s(t /ate = "s "t2 = ! impressions ( ! foot %[n bel[ p5etrate to ! opposite surface4 ,illu/ration3 ,fossil foot impression ,9 ?is description we h n attempt$ to po9t out all ! objects wor?y ( int]e/ on bo? sides ( ?is curi\s slab4 ,e "p ( x is full ( int]e/1 & pres5ts a field = protract$ obs]vations4 ,! surface repres5t$ 9 ! plate may1 by ! aid ( a magnifi]1 be /udi$ )\t ! pres5ce ( ! /one itself2 = ! photographic art displays ! mo/ m9ute objects )\t alt]ation or omission4 99 99 99 99 99 ,transcrib]'s ,notes4 ,) ! exception ( sev]al presum$ typographical error :i* h be5 *ang$ z not$ bel[1 ! text pres5t$ is t %[n 9 ! orig9al pr9t$ v]sion4 ,! orig9al text includ$ ,greek *>act]s4 ,= ?is text v]sion ^! lett]s h be5 replac$ ) translit]ations4 ,also1 ! ',,ae' & 'ae' ligatures are includ$ 7= examples1 ,a,ethyopus & /riae72 b ! 'oe' ligatures 7= example1 ,anomoepus7 are %[n z 'oe' = readability z ! ligature "* is n pres5t 9 _m fonts4 ,typographical ,errors3 ,alleghanies ,allegh5ies 7,pg4 #ah7 ,ma/odon ,giganteus4 ,ma/odon ,giganteus1 7,pg4 #be7 ,emphasis ,notation3 text - italiciz$