ON a Rene Re A e REN. Kat, ei ar an int AS pun i d dre. s si pei meee Aart e. ys Twr mes Y Cw ON mm LH Padi DRE en ee ER N AS is bro m ( a^ | حا‎ ) ye foe Museum of Comparative Zoology 1515 ۱۵۷۱۹۱۶ ۱۱۵/۱۵۵۱ EIBIRARY ay PES QST | MT LI y^ 4 A HISTORY OF BRITISH FOSSIL REPTILES BY SIR RICHARD OWEN, K.C.B., F.R.S., Ero., FOREIGN ASSOCIATE OF THE INSTITUTE OF FRANCE (ACADEMY OF SCIENCES). LONDON: CASSELL & COMPANY LIMITED, LA BELLE SAUVAGE YARD. 1849—84. PRINTED BY J. E. ADLARD, BARTHOLOMEW CLOSE. INDEX TO VOL. II. (Summary of Plates, with reference to the Volumes and Pages treating of their respective Subjects.) PLATE PAGE | Order —CHELONTA 1 y i ‘ i 8 i VOL TI Genus—CHELONE 5 ۰ : % ۲ 3 j Ld Species—Chelone breviceps d : i v A EA t, 10 | Genus—Emys . : 1 1 ‘ P ; i I, 67 ۷ Species—.Emys Comptoni . i 5 : à 4 S 1, 71 — levis 1 o 20 Genus—PrATEMYS . A Ŵ i ۲ $ y I, 62 [P T£ Dallas 4 In 62 I, 45 9 1, 50 6 1, 46 | 5 | 5 Gab ^M Uem e i 8 1, 162 l ERRATA. 9 17 Vol. IL, INDEX, p. iii.—" Plate 19 A” was cancelled. 3 : JY 1, 97 16. 0. p. vi.—“Plate 22” was cancelled: more characteristic 3 À el I, 33 specimens were selected for Plates 31, 32, and 33, 1 1 Ad ions IG | “ Streplospondylus major.” j : 2 es 1, 16 | lb. 1b. 1b. “Plate 25, Cetiosaurus was cancelled. $ 1 DE 1, 21 46. 20. p. viii.—For “Plate 59” read “49.” e ; 0 1, 24 | 16 1, 210) ۱ 17. 1, 12 | 174 1, 14 | 18 1, 25 | 19 1, 26 | — = . 1 A 2 5 ای‎ I, 26 | — crasstcostata 8 i 1 3 $ 20 Levees | a ue 5 : 1 1 : OT A — — 5 E $ 5 5 o Aa 1,128 | — — 22A I, 28 3 = a i : E 1 ; . 925 1, 29 | سب‎ declivis . : à 7 5 > . 23 I, 30 ١ — datiscutata à $ 7 š 3 . 24 D 24), | — convexa . 3 ` 5 s é a T2 i — trigoniceps 25 1:81 | — acuticeps 3 3 : 5 i (PO 1, 81 | — longiceps 25... 2, 10988 Genus—Trionyx ۳ a. ۷ 1 Species—T'rionya incrassatus P 3 i 5 20 5 INDEX TO VOL. II. Summary of Plates, with reference to the Volumes and Pages treating of their respective Subjects. y 2 0 57 p J PLATE PAGE Order—CHELONIA : 3 7 ^ 3 5 0 VOLT Genus—CHELONE 3 1 3 : ۱ D | Species—CAelone breviceps à 3 3 i 5 cell 1, 10 | Genus—EMys 5 1 E " 5 A 0 35107. Species—Æmys Comptoni . à 5 è ; : EDS لا‎ | — levis E : : : : A EIS 1, 70 1 Genus—PLATEMYS 5 A " : : 8 À 1102 | Species —Platemys Bullockii 3 7 : f 5 PRO I, 62 | Genus—TRIONYX 2 x 145 Species-—Trionyx barbare . 5 I, 50 — Henrici 6 1, 46 | Chelone planimentum 7 I, 40 = 5 || — planiceps 8 1, 42 Ga 26 | — pulchriceps A ecu 1, 162 — obovata . 1 : > 0 š AE) 1,7 — subcarinata h é E 5 ESTO 1, 37 — euneiceps ` 5 E 5 : Sp I, 33 — longiceps | 5 7 i A 1 و1‎ 16 — == : 5 ‘ E : ERAI 10 سب‎ comera. 3 : © . 5 . 14 1, 21 ۲ — subcristata : ; À ; : . 15 1, 24 | — breviceps $ 5 E 3 â +16 15:10, | — - à : : À S eg, 1, 12 | = — ; 174 1, 14 : — planimentum : 5 E ` 1 a lis} وس را‎ سب‎ — 19 1, 26 = — . 5 s j : LOSA: I, 26 ۱ — crassicostata . 1 A 3 N و‎ 09 9 094. € E : : 4 : QUOTE MO | NE — 5 7 i 5 5 v. 22 120 — — 22 A i, 28 | — — 5 . è ` . . 22B 1, 29 | | — dechvis ۰ : i ١ 6 ' . 23 I, 30 1 — را‎ 3 x i i 5 2 I, 20 | — convexa . a : à s 3 + 20! 1,27 N — | trigoniceps : . : 5 5 . 25 I, 1 [ — acuticeps 25 1, 1 | — longiceps : . 5 5 1 ول‎ OO | Genus—TRIONYX 3 $ Species—T'rionya incrassatus 5 : : A ; 0 1, 51 | | | I Species —Trionye incrassatus — rivosus — marginatus — circumsulcatus — pustulatus — planus Emys bicarinata . — testudiniformis — Delabechii . — crassus Platemys Bowerbankü Chelone gigas (femur) — Benstedi. — Camper: . Genus—PROTEMYS Species—Protemys serrata Chelone pulchriceps Order—LACERTILIA Genus—MosASAURUS Species— Mosasaurus gracilis — Hoffmanni — gracilis Genus—CONIOSAURUS Species— Coniosaurus crassidens Genus—DoricHosAURUS Species—Dolichosaurus longicollis Genus —LEIODON Species—Leiodon anceps Genus—RAPHIOSAURUS Species —Raphiosaurus subulidens Dolichosaurus longicollis Mosasaurus gracilis Leiodon anceps Grder—OPHIDIA Genus—PALEOPHIS Species—Paleophis toliapicus i typheus Genus—PALERYX INDEX TO VOL. II. PLATE PAGE 27 "Vol 53 28 I, 54 29 I, 56 30 1, 55 31 I, 59 31 1, 60 32 1,08 33 1, 58 34 1775 35 173 36 I, 67 37 1, 74 38 0 39 T, 66 EU uy Ff 40, fig. 3 111, 178 41 1, 158 42 I, 160 43 1, 161 44 1, 161 45 1, 163 46 1,9165 1, 169 47 I, 169 48 15 nt 48 1; 162 i 173 1, 183 1 1, 185 1 I, 186 2 1, 188 any JUR 2 i5 10/5) ny 0 8 T 1, 196 8 1, 196 ic Tf) 9 1, 174 176 و1 9 9 1, 185 10 1, 196 I, 134 1, 9 1 1, 146 2 T, 139 I, 149 INDEX TO VOL. II. v PLATE PAGE Species—Paleryx depressus à E i ! 1 O Seal — rhombifer . 3 s a i 69 1, 150 Palæophis porcatus o I, 144 p — typhæus 3 I, 141 E — longus 3 1, 149 — toliapicus 4 1, 148 — — e A : > ۱ ER) I, 148 Order—CROCODILIA . A p . . 3 4 1, 80 | Genus—TELEOSAURUS 1 1, 80, 87 CROCODILUS 5 å A 3 : : 5 1 81 | Species— Crocodilus Hastingsie i 5 i 1 à eel Ai 1, 120 l — — : : i 1 x GSP 1, 122 | E ES - i : f RO 2105 Genus—ALLIGATOR ۰ ۰ à 1 8 : : 1, 126 Species—Alligator hantoniensis ١ . : : : a CII | Crocodilus Hastingsiæ E Š 5 , i NED 1127. = = : E 1 : ; kan 17127, = suchus A y a 4 : AUD 1 E bed — toliapicus > a : k vig 1, 112 h — champsoïdes $ 5 e : 5 TO I, 115 | — toliapicus 5 1 ; 5 i DB 1, 112 — champsoides 5 7 1 i ; PEA 1, 115 == Hastingsie 3 5 : 7 : E S8 1, 129 — toliapicus : t 3 ۱ 5 0 i 112 — Spenceri b : : , ۱ O, 1, 113 | — toliapicus 3 : $ š S DES 1,112 — champsoides i 8 " i $ 10 2,119. Genus—GAVIALIS o . s ` 3 : 1 I, 129 Species—Gavialis Dizoni . 3 : i i 5 FSB 1,129 Crocodilian Vertebral Elements i 3 ۱ $ $ SE I, 81 Genus—SUCHOSAURUS 5 3 à 7 5 5 $ I, 433 Species—Suchosaurus cultridens à : : ; 3 Be 1436 as — 3 3 : 2 ۳ O I, 433 Genus—GoNIOPHOLIS $ ۰ : 5 P 1 t 1, 427 Species—Goniopholis crassidens ۰ 5 ۲ à : Eu I, 427 m — 5 5 3 : 8 E I, 428 EU — : s 4 5 HS I, 432 diis = ` : ` E 8 0 1, 431 A = 5 > 5 3 ‘ HsH I, 430 NS p 5 k 3 3 3 102 1, 430 A ES . : 1 i MIS 1, 431 —— carinatus š P : S 3 de ) (For Plates 15—18 see Vol. 1v, and for text, Vol. 111, pp. 129—148.) p Genus—POIKILOPLEURON! . 5 : : ۰ 1, 422 Species—Poikilopleuron Bucklandi . 3 . ; : CRRI I, 423 Genus— STREPTOSPONDYLUS! " 1 i i ۰ i 1, 398 1 Both genera may prove to be Dinosaurian. Species —Séreptospondylus Cuvieri — major Genus —Crrrosaurus! Species—Cetiosaurus brevis سے‎ longus Genus—PoLYPTYCHODON? INDEX TO VOL. II. Species— Polyptychodon interruptus . bond continuus (Saurian undetermined) Polyptychodon interruptus . — continuus Crocodilus Saullü Streptospondylus major Cetiosaurus brevis Genus—PELOROSAURUS? Species—Pelorosaurus Conybearii Poikilopleuron pusillus Goniopholis simus Genus—PETROSUCHUS Species—Petrosuchus levidens Goniopholis tenuidens Genus—BRACHYDECTES Species— Brachydectes major — minor Genus—NANNOSUCHUS é Species— Nannosuchus gracilidens Order—LACERTILIA Genus—NUTHETES Species—Nuthetes destructor Genus— THERIOSUCHUS Species —Theriosuchus pusillus Nannosuchus gracilidens Theriosuchus pusillus Order—DINOSAURIA Genus —ÍGUANODON This genus is Dinosaurian. This genus is Sauropterygian, This genus is Dinosaurian. PLATE PAGE 20 1, 400 21 I, 399 22 I, 399 I, 405 93 1, 405 24 1, 413 25 1, 413 14 1,200, 455 26 1, 209 26 12204 27 1, 201 28 121205 29 I, 209 29 1, 211 30 1, 199 31 1, 398 32 r, 400 33 I, 403 34 I, 405 35 1, 408 36 1, 410 1, 416 37 1, 415 38 1, 417 39 1, 627 40 1, 631 1, 634 41 1, 634 42 I, 642 ۰ T, 643 42 I, 643 42 T, 644 I, 646 43 I, 646 1, 656 43 I, 656 1, 650 43 1, 651 44 1, 652 44 I, 652 15 120698) 1,259 INDEX TO VOL. II. vii PLATE PAGE Species—Zguanodon Mantelli 1 I, 259 Le aes 2 I, 259 — — 3 I, 267 = — ۰ 4 I, 0 = a 5 1, 289 S En 6 1, 276 — — 7 1, 281 — — 8 1, 282 — — 9 1, 283 : ua E 10 1, 284 — — 11 1, 285 — — 12 I, 288 — — 13 I, 289 = — 14 I, 291 | = ES 15 1,202 | de = 16 1, 294 | 2i = 1 209 | E = : : 5 ; t 18 1, 300 | — — : i s â 0 "2:109 1, 306 | en M 20 1, 313 | a — : 5 21 I, 314 ۱ de : i A ; „22 820 | a = i à i ; i DEOS 1, 269 Genus—MEGALOSAURUS . i 4 5 3 8 I, 329 Species— Megalosaurus Bucklandi . T 5 : 1 . 24 I, 332 — — i J E â é $20) 1, 335 55 — : E à : è 25426 1, 340 — — $ E $ n $ we. I, 341 1 = : ; : 1 i . 28 1, 342 Ez — . A i E j 29) I, 345 EB E : : à 1 ; SD 1, 345 | ae = i } 1 E 251 1, 346 | = = 2 idy | = E SR ORE ; . 33 I, 348 | کت‎ = : : 5 0 ; 20H 1, 349 | Genus—HYLEOSAURUS : U f : 1 : 1,355 | Species—Hyleosaurus armatus E 5 : 5 2 . 35 1, 356 | — = i : 36 0 15998 | am ae ; : $ Y 1957 1, 359 3 a : à i : „98 11804 | = == f : : ; 239, 7.005066 | = is ۰ à : : à . 40 1, 370 | = = i ١ f Tl nl | = = : $ 1 : 3 RUM 1, 364 4 Iguanodon Mantelli 5 3 3 es x UMS 1,973 | = = À : 1 1 : . 44 1, 374 | 1 Probably Iguanodon Fowii. | viii Iguanodon Mantelli Genus—ScELIDOSAURUS, Plates 45— Genus—BoTHRIOSPONDYLUS E Species —Bothriospondylus suffossus . Foxii Genus —OMOSAURUS Species —Omosaurus armatus Genus CETIOSAURUS Species— Cetiosaurus longus Omosaurus hastiger Genus—CHONDROSTEOSAURUS Species —Chondrosteosaurus gigas INDEN TO Oli I. PLATE 45 46 47 48 49 60, are in vol. iv, and described in vol. iii, pp. 92—125. 61 62 63 PAGE INDEX TO VOL. II. 1x WOODCUTS, Vor. I. FIG. PAGE Carapace of Chelone couanna T 4 Carapace (inner surface) of Chelone couanna 2 3 ۲ Plastron of Chelone ۵ 3 5 Thoracic segment, Bird 4 5 L 'Thoracic segment, Tortoise . 5 5 | Thoracic segment, Crocodile 6 5 1 Typical vertebra . : 7 Atlas and axis, Crocodile . 8 Epencephalic arch, Crocodile 1 5 1 9 Mesencephalic arch, Crocodile 5 E 4 » A O Prosencephalic arch, Crocodile 1 : x ME Rhinencephalic arch, Crocodile x x : ۳ 5 lo Skull bones, Alligator : s 8 : i 5 CUTS Section of cranium, Crocodile N : : " ۳ . 14 Section of cranium, Serpent A E ۲ E LO Transverse section, limb bone, Dinodocus RER A 3 3 sy NO, Transverse distal end, limb bone, Dinodocus Mackesoni . i E AQ t7 Metatarsal, Dinodocus Mackesoni ; i ۱ i : 2218 Metatarsal, artieular end, Dinodocus Mackesoni . 2 j Sg Metatarsal, transverse section of shaft, Dinodocus Miekan ; y s 9n Metatarsal, proximal end, Dinodocus Mackesoni , è mel Metatarsal, transverse section of shaft, Dinodocus ان‎ 3 2 EE. Metatarsal, proximal end, Dinodocus Mackesoni 2 5 . 23 Metatarsal, transverse section of shaft, Dinodocus [TM 5 3 . 24 Proximal end of limb-bone, Dinodocus Mackesoni 3 á 2 Transverse section of shaft of limb-bone, Dinodocus MO 3 26 (The fossil subjects of the above cuts, from a ‘Greensand’ formation at fische; were referred to the genus Polyptychodon, of which, at the date of the impressions of pp. 201—209, the teeth only were known. Subsequent discoveries have shown those teeth to belong to the genus Pliosaurus. The present fossils represent the Dino- saurian species “ Dinodocus Mackesoni,” under which name they are exhibited in the Palæontological Series, British Museum of Natural History. The Cuts, 16—26, are numbered I—11, in Vol. I.) Teeth, three views, Wealden Dinosaur 5 : $ 3 1:27 Restoration and type-vertebræ, Leiodon anceps . ۱ : 28 Sternum and coracoids, Pterosaurian 7 T 5 3 . 29 Sternum and coracoids, Crocodile — . ? A à 8 80 Tibia and metatarsals, Ruminant : 7 > à x i Tibia and metatarsals, Bird À i 1 i i A] Ramphorhynchus phyllurus, Marsh . i i : ۰ . 83 Copulative hand- -spur, Cystignathus fuscus ; ; i o . 34 Mandibular ramus, Iguanodon Foxü . 7 : ‘ : . 35 x INDEX TO VOL. II. | FIG PAGE f E Metatarsals, Omosaurus armatus : à ŵ i : . 36 577 | Sternum, Cetiosaurus longus 3 3 o 8 ST 583 | Scapulæ, right and left, outer and inner side views, Cetiosaurus longus : os 584 Right humerus, ulnar aspect, Cefiosaurus longus : : 89 585 Right humerus, radial aspect, Cetiosaurus longus 1 AN 585 j Ulna, anconal surface, Cetiosaurus longus 5 3 . 5 al 586 < Left femur, anterior surface, Cetiosaurus longus . 5 n : . 42 589 5 Right tibia, post-outer surface, Cetiosaurus longus : 4 ; io 590 Coracoid, outer surface, Cetiosaurus longus 8 . `: 1 y ala 591 | Ilium, outer surface, Cetiosaurus longus . . . o . 44 592 | Caudal vertebra, back view, Cetiosaurus longus . . 45 504 (Figures 37—45 are numbered 211 in pp. 37—45. ) Pelvic arch and limb, Dinosaur U $ . A $ 46 603 Pelvic arch and limb, Crocodile b . ۰ ۰ ] 12547: 603 Pelvic arch and limb, Dinornis Ü ۰ E . : . 48 603 Pubic bone, Bird i â . ۰ ۰ . 49 604 Pubic bone, Monitor lizard . . ۰ E . . . 49 604 Pubic bone, Ornithorhynchus . ۰ ۰ ۰ . . 49 604 Ilium and pubis, Echidna . . . ۰ : . 49 604 Tibia and fibula, distal ends; tarsus and metatarsus, MT Ws . 7 22050 611 Tibia and fibula, distal ends ; tarsus and metatarsus, Varanus 5 E 50 611 Tibia and fibula, distal ends ; tarsus and metatarsus, Dinornis 2 i 0 611 Tibia and fibula, distal ends ; tarsus and metatarsus, Ruminant 5 1 0 611 | | PLATE 1 Chelone breviceps, four-fifths nat. size. Fig. 1. Upper view of the carapace. 2. Under view of the plastron. 3. Side view of the cranium: 7, parietal; 8, mastoid; 11, frontal; 12, post-frontal; 21, maxillary; 26, malar; 27, sguamosal; 28, tympanic. 4. Transverse section of the carapace and plastron. s1 to s10. The first to the tenth neural plate inclusive. pli to pls. The first to the eighth costal plates. رم‎ to va. Impressions of the first to the fourth vertebral scutes. e, e. Impressions of the costal scutes. es, Episternum. As. Hyosternum. ps. Hyposternum. as. Xiphisternum. | Dinket, del et tie ` Day & Son lith to the Queen Chelone breviceps. . Back view. Ss. | es. | hs. ps. S. PLATE 2. Emys Comptoni, nat. size. 1. Upper view of the carapace. ch. s1—s10. The first to the tenth neural plates inclusive. Nuchal plate. 2. Under view of the plastron. Entosternal. Fractured episternal. Hyosternal. Hyposternal. Xiphisternal. 3. Side view, showing four of the marginal plates, m4—m7. 4. Front view. | | | | Chelonians. PUR. | IE PE i E 13 13 | EN | N E | S | | a | | SS | > | 3 | i i Jayg yl Son, lant, “Duran Dinkel del el. hth | 4. PLATE 3. Emys levis, two thirds the nat. size. Upper view of carapace. . Under view of plastron. Side view Front view, showing the curvature and depth of the specimen. The letters and figures signify the same parts as in the preceding Plate; 4p, the accessory pieces of the plastron (fig. 2). FUS. Chelonians . و ی ۳ 1 PLATE 4. Platemys Bullockti, half the nat. size. The plastron and some of the marginal plates, a a. VS. ig. gu. hu. pe ab Je . Entosternal. 9. Episternals. '. Hyosternals. . Hyposternals. Xiphisternals. Intergular scute. Gular scutes. Humeral scutes. . Pectoral scutes. . Abdominal scutes. The impression between these and the pectoral scutes crosses the intercalated supernumerary bones between the hyosternals and hyposternals. . Femoral scutes. an. Anal scute. Where the bones or scutes are in pairs, the figures or letters are placed on one of each pair. 1 | ۱ “helontans. TU e. i À dod da Day £ Son bb to the Garr Platemys Bullock 3 | | | a PLATE 5. The carapace of the Trionyx Barbare, half nat. size. ch. 'The nuchal plate. pl. 1—s. The costal plates. a, Shows the longitudinal contour of the middle of the upper surface, and fig. 2, the transverse curvature of the carapace. H y » Chelonians : PIRE f 5 1 4 a 3 | f 5 | y i | | Nature on ¢ 1 e on Stone by J Erxleben Day 4 Son, ith Fto He Deor Trionyx | Barbare. PLATE 6. Trionyx Henrici. Fig. 1. Upper view of the carapace, wanting the nuchal plate, half nat. size. si—s7. The first to the seventh neural plates inclusive. pli—pls. The eight costal plates of the left side. 2. Outline of the transverse curvature of the upper surface of the carapace. 3. The nuchal plate of probably the same species of Zrionye; but of another individual : half the natural size. Chelonians. Day ¥ Sore Lithogr to tho Queone Henrici. 72 nat: size. a PLATE 7. Chelone planimentum. View of a cast of the under or inner surface of the carapace ; with portions of the ribs and marginal plates: one third the natural size. pli—pls. Impressions of the costal plates and ribs. m11, #12. The eleventh and twelfth marginal plates. sul. The eleventh neural plate. py. The pygal plate. Chelonrans PLATE 8. Chelone planiceps, nat. size (from Portland stone). Fig. . Front view of skull. . Side view. a. Premaxillary. 4. Maxillary. c. Nasal (here distinct from). di. Prefrontal. d. Frontal. . Top view. do. Postfrontal. Chelone pulchriceps, nat. size (from chalk). 4. Side view of skull. 5. Top view: the letters indicate the same bones as in figs. 2 and 3. 6. Base view- 7. Top view of the skull of a recent Chelonian (Hydromedusa, Wagler), with the nasals (c) and prefrontals (di) distinct, as in the fossils. chary Lithog from Natare ty Ce PLATE 9. Chelone obovata, half the nat. size (from Swanage). Fig. 1. Inside or under view of the carapace, with the nuchal and pygal, and all the marginal plates, 1—11. 2. A similar view of the mutilated plastron. 2. Hyosternal. 3. Hyposternal. 4. Xiphisternal. 0 2 72 ADP: Z I0. Pirate 10. Chelone subcarinata. Fig. 1. Upper view of the carapace, seven twelfths of the natural size. 2. Under view of the plastron of the same specimen. 3. Outline of the transverse contour of the carapace. 'The letters and figures are explained in the text. = | | | Chelonians . PL.10. À Y À S S S 2 > RED SS 3 Che Prare ll. Skull of Chelone cuneiceps, nat. size. Fig. 1. Side view. 2. Top view. 3. Base view. 4. Back view. The letters and numerals indicate the same parts as in Plates 12 and 174. | Chelonians. BEI: Dinkel del et. lith DayhSon dh “to the Queen Chelone cuneweps . fr. sy. . The inter-occipital scute. . The occipital scute. . The occipito-lateral scute. . The parietal scute. . The supraorbital scute. . The frontonasal scute. PLare 12. Skull of Chelone longiceps, nat. size. Fig. 1. Side view. 2. Top view. 3. Base view. 4. Back view. The same numerals indicate the same bones as in Plate ۰ 13, 13. Vomer. 20. Palatine. 22. Premaxillary. 24. Pterygoid. The following perishable parts are indicated by the impressions left on the bone: The frontal scute. The sincipital scute. Chelonians Lithog from Nature by Ei Seha Lt. 12 ¿wanted by C Halimandd: Chelone longues. | | Pare 13. Chelone longiceps. Fig. 1. Upper view of the carapace, two thirds of the natural size. 1. Nuchal plate. 2—11. Neural plates. 2. Under view of the plastron, two thirds nat. size. 9. Entosternal. 1. Episternals. 2. Hyosternals. 3. Hyposternals. 4. Xiphisternals. 7 7 72. LONLAMS 7 Che PLATE 14. Chelone convexa. Fig. 1. Upper view of the carapace, nat. size. 2. Under view of the plastron, nat. size. 3. Under view of the symphysis and part of the rami of the lower jaw. Pl. 14 Chelontans TM PrATE 15. Chelone subcristata. Fig. 1. Upper view of the carapace, three fifths of the natural size. 2. Under view of the plastron of the same specimen. The letters and figures indicate the same parts as in Plate 13. Lt. 45, Chelonians. PIPISAI AS oum) ۱۳۳ GM a y ” ۲ i| il f M M | | 1 | ۳ | | | H | f u | | | | | | | il | | | ۱ Pare ۰ | | Chelone breviceps, four fifths of the natural size. | | Fig. | | 1. Upper view of the carapace. | | | | 2. Under view of the plastron and bent-down skull. [ | | Chelomans Pare 17. Chelone breviceps. Fig. | 1. Side view of the skull, nat. size. | a. Prefrontal. 0. Maxillary. c. Premaxillary. f. Frontal. y. Postfrontal. i A. Parietal. | i. Malar. k. Squamosal. m. Mastoid. 1. Dentary. 3. Angular. 4. Surangular. 5. Articular. 2. Upper view of one half of the skull. a. Prefrontal. | A. Parietal. J. Frontal. | m. Mastoid. 4. Postfrontal. | ng 3. Under view of the skull. | c. Palatals. o. Paroccipital. | d. Vomer. q. Exoccipital. e. Premaxillary. r. Basioccipital. i. Maxillary. ss. Pterygoids. 4. Malar. 1. Dentary. l. Tympanic. 4. Surangular. m. Mastoid. 5. Articular. 4. Under view of part of another skull of the same species, without the lower jaw. 5. Back view of the skull. g. Postfrontal. | gg. Exoccipitals. A. Parietal. . 7. Basioccipital. /. Tympanic. t. Basisphenoid. m. Mastoid. | 3. Angular. 0. Paroccipitals. | 5. Articular. p. Supraoccipital. | y 6. Side view of the carapace and plastron, with the cranium, four fifths of the nat, size. | | | Chelontans. ZI 17 =< > C.Hullmandel Del et lithotint from Nature by G. Scharf CAetone brevet PLATE 174. Skull of Chelone breviceps, nat. size. Fig. 1. Side view. 2. Top view. 3. Base view. 4. Back view. The following numerals indicate the same bones in each figure. 1. Basioccipital. D ۱ Exoccipital. to 3. Supraoccipital. i. Paroccipital. 5. Basisphenoid. 7. Parietal. | | 8. Mastoid. 11. Frontal. 19. Postfrontal. 14. Prefrontal (with connate Nasal and Lachrymal). 21. Maxillary. 26. Malar. 97. Sguamosal. 28. Tympanic. 29. Articular. Hi 29. Surangular. | 30. Angular. 32. Dentary. | | Chelonians . 7 2 ITA. | | lly to the Queen Denke. del et Uith. Day Sei Chelone breviceps. b Wes DRE ram — Prare 18. Skull of Chelone planimentum, nat. size. Fig. 1. Upper view of the skull. 2. Side view of the skull. 3. Under view of the lower jaw, showing the characteristic extent and flatness of the symphysis. Chelonians / 40 | | | "ithotintirom Natur y 6 rf C.Hullmendel's Pate | Chelone planimentum PLATE 19. Chelone planimenium. Under or inside view of the carapace, of the natural size. Chelontans Pi. 19 Celine 2 UED UU | | TRETEN Puare 20. Skull of the Chelone crassicostata, two thirds of the nat. size. Fig. 1. Upper view, showing chiefly a cast of the under surface of the bones. 12. The situation of the postfrontals. 14. The prefrontals. 15. The nasals. 2. Side view. 3. Under view of the symphysis menti. * Chelonians. PE 20 Dinkel, deb el t Chelone crassicostala . | | Day & Sn Mh من"‎ the Queen | Gr ww TR 2 T hi 01 g Prare 21. Chelone crassicostata. View of the inner surface of the carapace, half the natural size. ch. The nuchal plate. ph. The first costal plate and adherent rib. pl2. The second ditto. pls. The third ditto. pla. The fourth ditto. pls. The fifth ditto. ple. The sixth ditto. plz. The seventh ditto. pis. The eighth ditto. The figures are placed above the free projecting ends of the ribs; they belong to the second and the ninth dorsal vertebræ inclusive. s9. The ninth neural plate. s10. The tenth neural plate. py. The last neural or the “ pygal” plate. These are developed, like the nuchal plate, in the substance of the derm, and do not become confluent with any parts of the endoskeleton. "P Chelonians . PUSA Pinkad: del. eb li T køl. del. eb lith, Day A. Son, M Pto the. Qu Chelone crassicostata. 1 = og PLATE 22. Chelone crassicostata. . Portion of the plastron seen from the under side. As. 'The hyosternal; ps, the hyposternal; as, the xiphisternal. 52 is the coracoid, exposed by the removal of the right hyosternal. Cast in the matrix of a portion of the carapace of the same individual, showing the characteristic thickness of the ribs, p/, pl. Chelontans. Day £. Son. lith"! to the Queen Dinkel del et: tith Chelone crassicostata . PLATE 22A. Chelone crassicostata. Portion of the carapace, half the nat. size, with the corresponding series of marginal plates, m6-—m12, and py. pl3 and pla, the third and fourth costal plates of the left side; p/5—pl8, impres- sions in the matrix of the succeeding costal plates. Dinke Chelontans. del. th Chelone crasstcostata . Day kdo he | EUA ate PLATE 22B. Chelone crassicostata, half the nat. size. Fig. 1. Outside view of the carapace. s7—s10, the seventh to the tenth neural plates inclusive: p/2—pl8, the second to the eighth costal plates of the left side; pl3—pl8, the third to the eighth, inclusive of the right side. 2. The plastron dislocated and crushed in, with part of the skull showing the orbit o; hs, the hyosternal ; ps, the hyposternal ; es, the xiphisternal ; 51, the scapula ; 52, the coracoid. PE DE Chelontans Chelone Crasstcostata . Fig. 2. View PLATE 93. Chelone declivis. 1. Upper view of the left moiety of the carapace, nat. size. ch. Impression of the nuchal plate. . First neural plate. ph. . Second ditto. pla. . Third ditto. pla. . Fourth ditto. pla . Fifth ditto. pls . Sixth ditto. ple . Seventh ditto. plz. ^l. Impression of the first vertebral scute. v2. Impression of the second vertebral scute. 73. Impression of the third vertebral scute. ^4. Impression of the fourth vertebral scute. of part of the dislocated right half of the carapace. The same letters and numerals signify the same parts. 5. Outline of the natural transverse curve of the carapace. . Fourth ditto. . Fifth ditto. . Sixth ditto. First costal plate. Second ditto. 'Third ditto. Seventh ditto. : Chelontans . 21.28 2 1 a 2 Dinkel del et lith. Day & Son Lith! tothe (Bl: Chelone declivis PLATE 24. Chelone latiscutata, nat. size. Fig. 1. Upper surface of the carapace. si. First neural plate. pl. First costal plate. 52. Second do. pl2. Second do. 83. Third do. pla. Third do. s4. Fourth do. pla. Fourth do. s5. Fifth do. pls. Fifth do. s6. Sixth do. ple. Sixth do. v2. The impression of the second vertebral scute. v3. The impression of the third vertebral scute 2. Lower surface of the plastron. s. Extremity of the entosternal. hs. The hyosternal. ps. The hyposternal. æs. Impressions of the xiphisternals. 3. Anterior surface of the carapace and plastron, showing the degree of convexity of those parts, and the depth of the osseous case. 51 is the scapular arch. 4. Upper view of the skull of Chelone convexa, nat. size. The letters and figures indicate the same parts as in Plate 17.4. Chelontans . Dinkel del. et tá ly £ Sore det to U he. Queen PL24. Chelone latiscutata. Pare 25. de e t8 . Skull of Chelone convexa, side view. 2. Ditto base view. 3. Ditto top view. 4. Base view of part of skull of Chelone trigoniceps. 5. Under view of symphysis of lower jaw of ditto. 6. Upper view of the same specimen. 7. Back view of ditto. 11. Side view of ditto. 8. Part of symphysis of the lower jaw of the Chelone acuticeps. 10. Side view of ditto. 9. Upper view of the symphysis of the lower jaw of the Chelone longiceps. 12, Side view of a sacral vertebra of a fossil Trionyæ. 13. Side view of a corresponding vertebra of a recent Trionyæ. 14. Front view of the same fossil vertebra. 15. Front view of the same recent vertebra. 16. Top view of the same fossil vertebra. 17. Top view of the same recent vertebra. 18. Flattened symphysis of the lower jaw of the Chelone acuticeps. e RS / ; رد‎ 95 à Chelontans. FLAS. d 5 > ١ 4 3 j 7 4 F 3 | E i f ; * E. y 1 From Naturo on tino by J-Erzleben Day Son Lith. to the Queen. 3 7 7 BERN, | | Escene Chelonia Y UF 7 > PLATE 26. Trionyx incrassatus. Fig. 1. Inside view of the carapace, wanting the nuchal plate, half nat. size. s1—s7. The first to the seventh neural plates, with the connate neural spines and arches. plı—pls. The eight costal plates of the right side. c1. The place of attachment of the outer end of the first dorsal rib. c2—9. The portions of the consecutive dorsal ribs that become connate with the costal plates. 2. Transverse contour of the upper surface of the carapace. | Chelonians. PI. 26. 2 Ya Nat ste. Trionyx incrassalus. PLATE 27. Trionyx incrassalus, Fig, 1. Upper or outside view of the fore part of the carapace, with the nuchal plate, half nat, size. | ch. The nuchal plate. | s1. The first neural plate. | s2, The second neural plate. ph—pls. The three anterior costal plates of the left side. ho Under or inside view of the same specimen. ch. 'The>nuchal plate. si. The first neural plate connate with the neural spine of the second dorsal vertebra, of which part of the under surface of the centrum is here preserved and shown. s9. The second neural plate, with the connate neural arch of the third dorsal vertebra. ph—pls. The three anterior costal plates of the right side. ei. The place of attachment of the outer end of the first dorsal rib. c2. The portion of the second dorsal rib that becomes connate with the first costal plate. c2. The extremity of the rib that again becomes free. The third rib attached to the second costal plate.‏ .وه c4. 'The fourth rib attached to the third costal plate. Chelontans. PLS Ve Nal. Size Trionyx tncrassatis. T. 2% i g. 1. Entosternal. 2. Episternal, under side. 2. Ditto, upper side. 3. Part of right hyosternal, and the hyposternal, under or outer side. 0 Ditto, and ps, ditto, upper side. 4. Two views of the scapula (51), and connate acromial clavicle (58) ; 4" shows the PLATE 28. Trionyx incrassatus. The parts are figured half the nat. size. osseous structure of the end of the scapula, nat. size. | 5. The coracoid. 6, 6'. Two views of the ilium. 7, 7. Two views of the femur. 8, 8. Two views of an ungual phalanx, nat. size. 9. Under view of the sixth cervical vertebra ; y, y, the hypapophyses. 9. Upper view of the same vertebra ; c, the anterior convex articular surface of the centrum; 2, the neural arch; z, 2, the zygapophyses (oblique or articular processes). 9”. Back view of the same vertebra, showing the double concavity of the articular surface. SNIDSSDAIDUL XNUO2L [ 26. Pl: Ss ES e E y = N K : E y N À N E S 1 S x Y zi SS E S S بسح‎ PLATE 29. Trionyæ rivosus. Fig. 1. Outside view of hinder half of the carapace, nat. size. pla—pls. The fourth to the eighth costal plates inclusive. 2. Inside view of the same specimen. pla—pls. The fourth to the eighth costal plates inclusive. 5—9. The ribs (fifth to the ninth dorsal inclusive) connate with the above costal plates. s6. The neural arch confluent with the sixth neural plate. Chelontans Pror ™ Nature on Stone by JS Hrxleben Trionyx ri vosa. LES Day & Son, Uk to the Queen. PLATE 30. Trionyx marginatus. Fig. 1. Upper view of the carapace, wanting the nuchal plate, half the nat. size. letters and figures indicate the same parts as in Plate 5. 2. Outline of the transverse curvatures of the upper surface of the carapace. Chelonians . A Trionyx marginatus . PL.30 PLATE 31. . Upper surface of the third costal plate, right side, of the 7}onyæ circumsulcatus, nat. size. 2. Articular margin of ditto; showing the natural curve and thickness of the plate. 3. Peripheral margin of ditto; showing the groove. . Upper surface of the third costal plate, right side, of the ۸۵ marginatus. . Sutural margin of ditto. j. Peripheral margin of ditto. . Upper surface of a fragment of a costal plate of the Trionye pustulatus, nat. size. . Under surface of ditto, showing the large and prominent adherent rib. . Peripheral margin of ditto. PL.31 Chetonians . | | | | ۰ 1 = ۳۷۸ Natur 1 1 e by rxlében | Ftgs. 13. Trionyx curcwmsulcatus. PLATE 32. Trionyx planus. Fig. 1. Upper view of the hind part of the carapace, half the nat. size. 2. Inside view of the same specimen ; p/5—pls, the fifth to the eighth costal plates inclusive. 3. Peripheral border of the fifth costal plate, nat. size. 4. Peripheral border of the fifth costal plate of the Zrionye Barbare, showing the difference in their relative thickness. Chelontans From Nature fe (tone hyd Erxleben Trionyx PRBS. rs planus. Fig. . Under view of the lower jaw of a turtle (Chelone), nat. size. (Hordwell Cliff). PLATE 33. . Upper view of the same specimen. Upper view of the fourth cervical vertebra of a 7rionye; d, diapophysis. Nat. size. . Side view of the same specimen (Hordwell Cliff). . The left os pubis of a Trionyæ, nat. size (Hordwell Cliff). . Part of the plastron of Trionye planus, half the nat. size; As, hyosternal; ps, hyposternal. . Right hyposternal of a Zrionye, from Bracklesham, half the nat. size. (Im the Collection of Frederick Dixon, Esg., F.G.S.) Son. lith “to the Queen PL.38 Payk 5 Chelontans . On Stone by. PLATE 34. Emys bicarinata, two fifths the nat. size. The letters and numbers on the carapace, the upper surface of which is figured, indicate the same parts as in the previous figures. The transverse contour of the carapace is given in outline above. Chelonians . SU EBA SIE | 25 Nat Size Emys tricarinata . PLATE 35. Emys bicarinata, two fifths the nat. size. 'The plastron; s, the entosternal piece. xs, the xiphisternals. Chelontans . 23 Nat. duye Emys tricarinata Fig. . Nuchal plate. PLATE 36. Emys testudiniformis, nat. size. Upper surface of the third neural plate. . Under surface of ditto. . Upper surface of the fifth neural plate. . A posterior marginal plate. . Front view of a mutilated cuirass in which the carapace has been slightly depressed; the natural curve, across the middle, is indicated by the outline. Chelonians . PL.36. Dinkel del et lith Day & Son lt to heuer 1 Pare 37. Emys Delabechii, two fifths the nat. size. Upper or outside view of the carapace; the transverse curve is given in the outline above. pli—ols. The eight costal plates of the left side. v2—v4. The second to the fourth vertebral scutes inclusive. 2% Nal.Size . | Imys Dcdlabechiit Dinkel, del et litte Duy Son Ith toihe Queen. PLATE 38. Emys crassus, two thirds the nat. size. 1. Outside view of the left hyposternal. 1. Inside view of ditto. ho Outside view of right hyosternal. 2. Inside view of ditto. 3. Sutural border of hyosternal, nat. size. Chelomans . TOE ES 138. Nat. Sie. 9 EWys CTASSUS . Dinkel, dul. et lit 4 تا‎ bc Day lon dh otheueen PLATE 39. Platemys Bowerbankii, half the nat. size. Fig g. 1. The mutilated carapace. 2. The plastron. The letters and figures indicate the same parts as in Plate 4. Chelontans. PL. 39. Platemys Bowerbanktt. PLATE 40. CHELONIA. Fig. ; 1. Side view of the fore part of the skull of the P/atemys Bowerbankii, nat. size. 2. Upper view of the same fossil. 3. Side view of a fractured tympanic bone of a large Turtle (Chelone), from Brackle- sham, showing the long and slender ossicle or * columella’ (16) ¿2 situ ; nat. size. 4. Extremity of the same tympanic bone, to which the *membrana tympani was attached. . Proximal end of the femur of a very large Chelonian from the Isle of Sheppy, Or nat. size. 5. Left femur of a Turtle (Chelone mydas) which weighed 150 lbs., nat size. Chelonians. J Erxleben 7 ۸ ۸, Platemys Bowerbankiv. PLATE 41. Chelone Benstedi, nat. size. Fig. 1. Upper view of the carapace. 2. Side view of the carapace. The letters and figures are explained in the text. From the Middle Chalk, Kent. In the Museum of Dr. Mantell, F.R.S. onte ns. SR, PL -H. Chelone Benstedt Jos Dinkel delet lth Day Son, lith” to The Queen PLATE 42. Chelone Benstedi, nat. size. Fig. 1. Under view of the carapace. 2. Upper view, with the part of the carapace removed to show the bones of the plastron and coracoid. From the Middle Chalk, Kent. In the Museum of Dr. Mantell, F.R.S. PLAS Chelontans. Chelone Bensicat . PLATE 43. Chelone Benstedi, nat. size. Fig. 1. Upper view of the carapace. 2. Side view of the carapace. 3. Obligue view of fore-part and left side of the carapace. 4. Outline of transverse section of the carapace. From the Middle Chalk, Kent. In the Museum of J. S. Bowerbank, Esg., F.R.S. NEW IAU Chelontans. mi m mó Jos. Dinkel, del et lah Chelone Benstedt . nm 4 PLA. Dayk Sordi Tho Queen PLATE 44. CHELONIAN FOSSILS, nat. size. „ Part of the plastron of a Turtle: the episternum, es, resting upon the left hyosternal. . Part of a rib of a carapace. 1 2 3. Part of a larger rib of a carapace. | 4. Part of a rib of a carapace. | . The hyosternal element of the plastron of a Chelone Benstedi. 6. Portion of the scapula and clavicle of a Turtle. 7. One of the marginal plates of a carapace. 8. A humerus of a Turtle. 9. An ulna of a Turtle. From the Chalk of Kent. In the Museum of Thomas Charles, Esq., of Maidstone, Chelontans. LromNature onsStone byd Frxleben. P 1.44. Day Son ld tote cer PLATE 45. Chelone Camperi, nat. size. Fig. 1. External surface of two dermal plates, probably ‘marginal’ ones. 2. Transverse section of one of the above, and of a subjacent inverted plate. From the Upper Chalk of Kent. In the Museum of Thomas Charles, Esg., of Maidstone. Chelonians. Chelone Camperi. EromNature an Stone by J_Erwleben n io the Queen > دود ت ادت کت GM‏ ره رد EO‏ ود تچ یف مق EEE‏ PLATE 46. Chelone Camperi (?), nat. size. Fig. | 1. Outer surface of a series of five “marginal” plates. 2. Inside view of the same. 3. Portions of two ribs of the carapace of apparently the same species of 'Turtle. From the Middle Chalk of Kent. In the Museum of Mrs. Smith, of Tonbridge Wells. 4. Last cervical vertebra of a recent Turtle (Chelone mydas). e. Centrum. 7. Hypapophysis. z. Anterior zygapophysis. a . Posterior zygapophysis. . Neural arch, which is produced far beyond the centrum. FL 46. Chelontans. UR he Queen wileven 7 rom Nature onStone by J. E: 7 Fr PLATE 47. Protemys serrata, half nat. size. Upper surface of the carapace. The letters and figures signify the same parts as in the preceding plates, and are explained in the text. From the “ Kentish Rag,” Green-sand Formation, Maidstone. In the Col- lection of Capt. Guise, F.G.S. J. Dinkel del et lith. DaykSon, litho the Queen EE De E LL re ER == === 9 e — a TEEEEE . Upper view of the mandible of a Chelonian. . Side view of the same mandible, nat. size. . Under view of the mandible of another species of Chelonian. . Side view of the same mandible, nat. size. 8. A marginal plate of the carapace of a Turtle (Chelone). . The scapula 51, and coracoid 52, of a Turtle (Chelone). „ Part of the coracoid of a Turtle (Chelone). . The upper or inner surface of the left hyosternal bone of Protemys serrata, . The left hyosternal bone of an immature Zmys, similarly mutilated of its inner PLATE 48. Upper view of the skull of Chelone pulchriceps, nat. size. Side view of ditto ditto. Under view of ditto ditto. 7. Parietal. 8. Mastoid. 11. Frontal. 12. Post-frontal. 14. Pre-frontal. 15. Nasal. 20. Palatine. 21. Maxillary. 29. Premaxillary. 24. Pterygoid. From the Green-sand, Barnwell, Cambridgeshire. In the Collection of the Rev. Thomas Image, M.A., of Whepstead. 'The above three specimens are from the Chalk of Kent: and are in the collection of James Scott Bowerbank, Esg., F.R.S. From the Chalk of Sussex. In the Collection of Henry Catt, Esg., of Brighton. From the Burham Chalk-pit, Kent. In the Collection of Mrs. Smith, of 'Tonbridge Wells. nat. size. From the same specimen as the subject of T. VII. process. Day Loon, ehto the uet = St SE e So Fig. . Side view of a hinder dorsal vertebra. . Back view of ditto. . Two caudal vertebree. Lacertians. PLATE 1. Mosasaurus gracilis, nat. size. From the Upper Chalk, near Lewes. In the Mantellian Collection, British Museum. Mosasaurus Hoffmann. . Side view of a hinder dorsal vertebra, nat. size. . Back view of ditto. From the Cretaceous Beds, at Maestricht. In the British Museum. . The half of a vertically and longitudinally bisected vertebral centrum of a Mosasaurus gracilis, which was partially enclosed in a nodule of flint, from the Upper Chalk, at Kemptown, Brighton. The siliceous matter has infiltrated itself into much of the cellular structure of the middle part of the centrum. The densest part of the cellular structure is near the concave surface of the vertebra. In the Collection of Dr. Mantell, F.R.S., by whose obliging permission it is figured for the present Monograph. 7 ۳ > DT Pa 7 2 2 1.3.6 سه لدم هد‎ yas. LE. Z Hofmann 4 Donkel ded, et lith Day & Son, LÀ T to the Queen 9: 13. 14. 15 16. IZ: 18. 19. 19a. 19. 20. Lacertians. PLATE 2. Part of the lower jaw of Mosasaurus gracilis, nat. size. . Part of the upper jaw of ditto. Body of a lumbar vertebra of ditto. Body of a dorsal vertebra of ditto. Anterior concave surface of the same vertebra. A mutilated caudal vertebra of Mosasaurus gracilis. . Anterior view of the same vertebra, showing the much expanded hæmal arch: the specimen has been drawn upside down in both figures. From the Upper Chalk, at Offham-pit, Sussex. In the Collection of Henry Catt, Esq., of Brighton. Under view of the body of a cervical vertebra of Plesiosaurus constrictus. End view of the same vertebra. From the Steyning Chalk-pit, Sussex. Tooth of a Plesiosaurus. From the Scaddlescombe Chalk-pit, near Lewes, Sussex. Tooth of a Plesiosaurus. 10, 11, and 12. Teeth of Mosasauroid Reptiles. From the Sussex Chalk. From the Southeram Chalk-pit, Sussex. Tooth of a Plesiosaurus. From the Southeram Chalk-pit, Sussex. Part of the crown of a tooth of a Mosasauroid Reptile, facetted as in Mos. Masximiliani. Fractured tooth of a Plesiosaurus. From the Southeram Chalk-pit, Sussex. Tooth of Polyptychodon interruptus. Base of the same tooth. From the Chalk, near Valmer, Lewes. Nine dorsal vertebrae of a Lizard (Coniosaurus crassidens). Part of the lower jaw and some attached vertebræ of Coniosaurus crassidens. A magnified tooth of ditto, from the front of the series. A magnified hinder tooth of ditto. View of part of the alveolar groove and teeth of ditto. From the Lower Chalk at Clayton, Sussex. In the Collection of Henry Catt Esg., of Brighton. All the figures are of the natural size. EU cane DALU tila fon A e Cha y ND o حر‎ 00 Lacertians. PLATE 8. 1. Mutilated head and vertebre of the fore-part of the trunk of Dolichosaurus longicollis. . Outline of part of the lower jaw, and the same magnified. From the Middle Chalk, Kent. In the Collection of Mrs. Smith, of Ton- bridge Wells. . Portion of the lower jaw, with a tooth in situ, of Polyptychodon interruptus. From the Chalk of Kent. In the Collection of Mrs. Smith, of Tonbridge Wells. . Anterior part of jaws of Pterodactylus conirostris. . Left side of ditto. . Conjoined portions of scapula, 51, and coracoid, 52, of ditto. . Portions of one of the wing-bones of ditto. From the Barham Chalk-pit, Kent. . Crown of the tooth of the Zeiodon anceps. 9. Base of the same tooth. All the figures, save fig. 2, 32, are of the natural sıze. Laceraans <7 & $ wc. 1. Lacertians. PLATE 9. Fig. 1 and 2. Portion of the lower jaw of Raphiosaurus subulidens. 3. Two views of part of the alveolar border of ditto. From the Lower Chalk of Cambridgeshire, in the Collection of James Carter, Esq., of Cambridge. 4. Vertebræ of the hind part of the trunk and pelvis of Dolichosawrus longicollis. From the Middle Chalk of Kent. In the Collection of Sir Philip de Malpas Grey Egerton, Bart., M. P., F. R. S. 5. Four marginal plates of a large Chelone, showing the cavities for the ends of the ribs. 6. Outside view of the same marginal plates. From the Middle Chalk of Kent. In the Collection of Mrs. Smith, of Tonbridge Wells. 7, 8, and 9. Three views of a fractured centrum of the Mosasaurus gracilis. From the Sotheram Chalk-pit, near Lewes. In the Collection of the Rev. H. Hooper, M.A. 10. Â group of teeth of the Ichthyosaurus campylodon. From the Lower Chalk of Kent. In the Collection of William Harris, Esq., F.G.S. Lacertians x Mc Ze On Kinch Lens Aldous O Do ME— SIR‏ ره ی وی Lacertians. PLATE 10. Leiodon anceps, nat. size. Fig. 1. Part of the lower jaw with teeth. 2. Diagrammatic section of a tooth, showing the pulp-cavity, which contained a siliceous mass, fig. 2. (Copied from the figures in the “ London Geological Journal, 1846, Pls. iv and vi.) 3. A portion of the same or a similar jaw, with the crowns of the teeth broken away. 4. Upper or alveolar surface of the same portion of jaw. 5. The crown of one of the teeth from the same portion of jaw. 5*. The base of the same tooth. 5**. Outline of the transverse section near the base of the same tooth. 'The above specimens are from the Chalk of Norfolk, or to the North of the Thames; and are in the Collection of Edward Charlesworth, Esg., of York. 6. The crown of a tooth of Zeiodon anceps. From the Chalk of Sussex. In the Collection of Henry Catt, Esg., of Brighton. a Outline of the transverse section of a tooth of Mosasaurus Hoffmanni. 8. Outline of the transverse section of the tooth of Mosasaurus Maximiliani. Outline of the transverse section of the tooth of Mosasaurus gracilis. ^ dS AI amcopıs From Mature on Sere Day: Son, LUMO, موا PLATE l. OpnipiA.— Paleophis toliapicus. Fig. 1. A group of vertebrae and ribs cemented together by the matrix. 2. A chain of thirty vertebre, in a mass of matrix. 3. Six well-preserved vertebre, in their matrix. 4. A single vertebra. 4 a. A corresponding vertebra of a Python tigris, twelve feet in length. 5. Front view of a vertebra of Palæophis toliapicus. 5 a. Front view of a corresponding vertebra of Python tigris. 7. Under view of a vertebra of Paleophis toliapicus. Cplidians. ER Lithag from Mature by Shea: Pabacplas tolvapucas. Fig. PLATE 2. Recent and Fossil Ophidian Vertebre ; nat. size.‏ مهن 1—4. Vertebrz from the middle of the body of a Python Sebe, twenty feet in length. 2, 3'. A rib of the same Python. 3". Section of the proximal end of a rib of the same Python, showing the medullary cavity. 5—8. Vertebræ from the middle of the body of the Pa/eophis typheus. 9—12. 13—16. 17—20. 21—24. 25—28. 29—32. 33—36. 37—38. Corresponding vertebræ of a rattle-snake. (Crotalus.) Corresponding vertebræ of a hooded-snake. (Naja.) Corresponding vertebræ of a harmless snake. (Coluber elaphus.) Corresponding vertebræ of an African Eryx. Corresponding vertebræ of a sea-snake. (Hydrus bicolor.) Corresponding vertebrae of Palerya rhombifer. Corresponding vertebree of an Iguana. Corresponding vertebra of Palerya depressus. Ophidians. PUZ S Pinkel, del et lith: PLATE 3. Opurpi1A.— Fossil and Recent Ophidian Vertebræ; nat. size. Fig. 1—3. A cervical or anterior trunk vertebra of a Paleophis. 4. A corresponding vertebra of a Python tigris. 5—6. A small vertebra of a Palæophis with one hypapophysis. 7—9. A larger vertebra of the same species. 10—12. A similar vertebra of the same species. 13—15. A small vertebra of Palæophis porcatus. 16—17. A large vertebra of Palæophis, longer in proportion to its breadth than 18—20. A type vertebra of Pa/cophis porcatus. 21. A vertebra of Palæophis porcatus. 22—924. A middle trunk vertebra of the same species of Pa/eop/is, as figs. 1 25. A small vertebra of a Paleophis, with an inferior ridge. 26. A large vertebra of do. do. 27. Two views of a vertebra of Palaophis typheus, with the major part of the long 3. neural spine preserved. 28. Two vertebrae of Paleophis typheus, in natural articulation. 29—31. A vertebra of a Palæophis, of the compressed kind. 32—34. Two similar but smaller vertebre of the same kind anchylosed, perhaps from the tail. 35—37. A trunk vertebra of the Paleophis longus. 38. Front view of the atlas vertebra of the Python Sebe. 39. Side view of the same vertebra. 40. Side view of the axis vertebra of the same Python. 41. Front view of an anterior caudal vertebra of a Python tigris. 42. Front view of a middle caudal vertebra of the same Python. 43—44. Two views of a portion of the lower jaw of a lizard or sauroid fish. 45—46. The centrum of a vertebra of the Puleophis longus. With the exception of figs. 35—37 and 45—46, which are from Kingston in Suffolk, all the specimens of Paleophis figured in this plate are from Bracklesham, Sussex. Onhidians. 1. Diet, cie! tiii PLATE 4. OPHIDIA. Fig. 1. Left side view of a chain of thirty trunk vertebre of the Paleophis toliapicus, from Sheppy. 2. Right side view of the same vertebre. 3. Under view of five vertebræ of the same chain, with the articular ends of some of of the ribs. 4. Portion of a group of Paleeophis vertebre from Bracklesham, showing the size and structure of the ribs; natural size Ophidians. d. RA del a lich PLATE 5. OpHIDIA.—Paleophis toliapicus ; nat. size. Fig. . A group of vertebre, some of which show the long neural spine entire. . A group of vertebre and ribs. 3. Five vertebre in natural articulation with the diapophysis well preserved. . Under surface of four partially dislocated vertebrae. . Side view of the same vertebre ; natural size. E 3 Ss À 5 S ES T S SN DA PrATE 1. CROCODILIA. Fig. 1. Side view of the skeleton of a Gavial. 1 a. Upper view of the skull of ditto. 2. Side view of the skeleton of a Teleosaur. 2a. Upper view of the skull of ditto. On the scale of one inch to a foot. FU Crocodilia. مه مره SY‏ y— AL A A Pata le a gmn‏ مسد E {en ass: باس‎ a SR, a) ii ut VN Ten... 1 d et Lote ri te Be RR X NEN 3 DO DER T CO DU ND p 3 A O O ALA tai iT: يا‎ I TES Ee RNS ED Rg \ NNNANNNNNA SN ANY $ \ 5 NENNEN, en u AD L Modern Gavial of the Ganges — 2. Ancient Gavial, or Jeleosaur of the Whithy ۰ PLATE l4. CRocobiLiA—Crocodilus Hastingsie, half the nat. size. Fig. 1. Upper view of the skull. 2. Back view of ditto. 3. Ectopterygoids (25) and pterygoids (24), with the posterior aperture of the nostril. Crocodilia. J Erxleben * PL LA. Dayk Son lo the Queen PLATE 12. Crocopitia—Crocodilus Hastingsiæ, half the nat. size. Fig. 1. Side view of the skull. 2. Under view of the cranial and facial parts of ditto. a Y Erxleben Crocodilus Hastingsia. 2. PLATE lc. Fig. 1. Under view of the fore part of the upper jaw of the Crocodilus Hastingsie, nat. size. 2. The same view of the Alligator Hantoniensis, nat. size. (CFE DD EU EF Wd MO | i f ۱ } 1 | B JL Erleben, Dayk Sin, EU Te the Queen 1, Crocodilus Haslingsie. 2 Alligator Hantoniensis. PLATE 1D. Crocodilus Hastingsie, nat. size. . Side view of the fourth cervical vertebra. . Back view of the same vertebra. . Side view of a similar vertebra, minus the pleurapophyses. . Under view of the third cervical vertebra. 5. Back view of a lumbar vertebra. ). Front view of the first sacral vertebra. . Side view of the first caudal vertebra. Crocodilia. PUE ht J. Erxleben Cm lit ke Quern Crocodilus Hastingsie. PLATE ۰ 1. Upper surface of the symphysial end of the right ramus of the lower jaw of Crocodilus biporcatus. 2. The same part of Crocodilus Hastingsie. 3. The same part of Alligator niger. 4. The hinder part of the right ramus of the lower jaw of Crocodilus biporcatus. 5. The same part of Crocodilus Hastingsie. 6. The same part of Alligator ۰ Figures 1, 2, 4, 5, two-thirds, 3 and 6 one half the nat. size. Crocodilians . BER E ت | | | | | | | ‘ | Erxleben Day Son dith "to The Queen PLATE A 2. Crocodilus Suchus, half the nat. size. Fig 1. Upper view of the skull. 2. Under view of ditto. Both ends of the bony palate have suffered fracture and loss, apparently in the process of mummifying the body of the Jrocodile. Crocodilia. Z7 AA J. Brxleben Croco dilas 5 Su ch US. (Fron an Ligyptian Mummy) PLATE 2. Crocodilus toliapicus, one third the nat. size. Fig. 1. Obligue side view of the skull. 2. Under view of the skull. Di PLZ. TD (ro tothe Queen Baghel DONCOTL. rocodılus Si ( PLATE 24. Crocodilus champsoides, half the nat. size. . Upper view of the skull. Under view of the fore part of ditto. | . Side view of ditto. : . The left half of the back part of the skull of ditto, nat. size. | Sis zi He CO الا‎ 5. 'The point of an anterior young tooth coming into place, nat. size. 6. Half of the crown of one of the large conical teeth, nat. size. y 7. One of the shorter and more obtuse posterior teeth, nat. size. Sera Dayk Son th to the (Queen. ge.) ۶ Nat. Si 2 (12.. à S À S "A = = Š "S S S S DM ND Crocodilia . PLATE 2 B. . Upper view of the skull of the Crocodilus toliapicus, one third the nat. size 2. Under view of the hinder portion of the skull of the Crocodilus champsoides, on which Dr. Buckland founded his species of * Crocodile with a short and broad snout,’ called Crocodilus Spenceri; half the nat. size. 3. Upper view of the cranial platform of a young Crocodilus Hastingsice, nat. size. „Sora, le the Queer Prom. Nat. on- Stone by J-Erxleben 1 Crocedilus toliapicus, 2.0. Champsordes, 3 CF Hastings. € 0 ADRIAN er 2 E: PLATE 3. Vertebræ of the Crocodilus toliapicus, nat. size. . Fore part of a mutilated seventh cervical vertebra. . Under part of ditto. . Side view of a mutilated eighth cervical vertebra. Front view of the same vertebra. Under view of the centrum of a lumbar vertebra. Under view of the centrum of the fourth or fifth dorsal vertebra. . Side view of the first caudal vertebra. Side view of a middle caudal vertebra. . Under view of the same vertebra. (rocoditia . J Ereleben pine Crocodilus Spenceri. TR DE PLATE 34. . Side view of the fourth cervical vertebra (mutilated) of the Crocodilus toliapicus. . Under view of the same, showing the shape of the Aypapophysis h. . Side view of the sixth cervical vertebra (mutilated) of ditto. . Side view of the first dorsal vertebra (mutilated) of the Crocodilus champsoides. . Front view of the anterior sacral vertebra (mutilated) of the Crocodilus toliapicus. . Side view of the same vertebra. . Side view of the third cervical vertebra (mutilated) of the Crocodilus champsoides. . Under view of the same vertebra. . Side view of a posterior dorsal vertebra (mutilated) of the Crocodilus champsoides. . Side view of the centrum of the first caudal vertebra of ditto. . An anterior tooth of the Crocodilus champsoides. . A posterior tooth of the Crocodilus toliapicus. All the figures are of the natural size. Crocodilia. PI Day K Son lith Plo the Queen 1.6412 Crocedilus Spenceri. 7 IH, Crocodilus champsoides. Y Erxleben I © o Fig. . A fragment of the symphysis of the lower jaw. . À fragment of one of the rami from the back part of the symphysis, showing the . The crown of a tooth of a large Crocodilian from Bracklesham. PLATE 3 ۰ Gavialis Dizoni, nat. size. depressions cc, in the interspaces of the alveoli. . The fractured under part of a fragment of the same (d) jaw, exposing the hollow base of a young tooth. . À fragment of a ramus forming the long symphysis of the under jaw of a younger individual of the same species; upper surface. . Under side of the same fragment. . A portion of a tooth of the same species of Gavial. . A tooth with the germ of its successor, which has entered its base, of the same Gavial. . The centrum of a cervical vertebra of the same Gavia]. . The femur of the same Gavial. P S Or Mene by J lircleben Day bari: iih” nite GN Gavialis Dixon. o N - Diagram of the typical vertebra. . Back view of a lower cervical vertebra of a Bird (Pelecanus onocrotalus), showing . A vertical longitudinal section of an anterior dorsal vertebra of the Streplospondylus - A vertical longitudinal section of a middle dorsal vertebra of the Cetiosaurus medius, . A vertical longitudinal section of the dorsal vertebra of the Zeleosaurus Chapmanni, PLATE 4. CROCODILIA.— Vertebral Elements and Systems. the four canals about the centrum : the upper or neural canal formed by the neurapophyses; the side canals for the vertebral arteries and sympathetic nerves formed by the parapophysis, diapophysis, and pleurapophysis; the lower canal formed by the perforation of the hypapophysis, analogous to the hæmal arch in the tail. À vertical longitudinal section of the dorsal vertebra of a Crocodile (Crocodilus biporcatus), showing the anterior concavity and posterior convexity of the centrum, forming the characters of the > proccelian’ type of vertebra. Cuvieri, showing the anterior convexity and posterior concavity of the centrum, forming the characters of the ‘ opisthoccelian’ type of vertebra. showing the anterior flatness and posterior concavity of the centrum, forming the characters of the ‘ platyccelian’ type of vertebra. showing the concavity of both ends of the centrum, forming the character of the ‘amphiccelian’ type of vertebra. A similar section of the centrum of the dorsal vertebra of a young Ichthyosaurus communis, showing the extreme degree of the amphicoelian character in that genus. Crocodilia. Eneleben. bine Amphicælian Vertebral Elements and Systems. Plalycaeltan. PLA. "tp the puser PLATE 5. | | Ono0oDILIA.—Suchosawrus. | | Fre. ۲ 1. Articular end of centrum of a dorsal vertebra. | 2. Under surface of do. N 3. Side view of centrum and part of neural arch of a smaller dorsal vertebra. | 4. Crown of a tooth of Suchosawrus levidens, side and back view. | 5. Crown of a tooth of Megalosaurus. 5 | All the figures are of the natural size. | From the Wealden of Sussex. Crocodilia . PUB | 1 3 | â | | 1 I Egeteben. Tan: SUChOSAUTUS . PLATE 6. OROOODILIA.— Poikiloplewron. Fic. | 1. Side view of a dorsal vertebra, Poikiloplewron Bucklandi. | 2. Upper view ot centrum of do. | 3. Side view of do. | 4. Side view of a dorsal vertebra of do. End view of the same vertebra. 9. 6. Transverse vertical section of do. 7. Side view of do. 8. Under view of do. 9. Vertical longitudinal section of do. All the figures are of the natural size. From the Wealden of Sussex and the Isle of Wight. Do Crocodtlans . ded Day £Haghe Lih" to the Queen 1 Lens. Aldous, delet Lino. Vert [4 bra. PLATE 7. Crocovınra.—Goniopholis crassidens. Reduced view of a slab of Purbeck Limestone, including parts of the skeleton. A figure of the two teeth retained im the portion of mandible is subjoined, of the natural size. From the Purbeck of Swanage, Dorsetshire. Crocodilians . N i d CL on FLT. | | | Nat Sixe Lens ÓN Day & Haghe Lath? tothe Queen ڪڪ — PLATE 8. OROCODILIA.—G@oniopholis crassidens. Fre. 1. Under side of a dorsal scute; natural size, 2. Upper side of the same. From the Purbeck of Swanage, Dorsetshire. Crocodilians. P; Fig). | 1 | | 1 | | | | 1 | | 1 | i 1 ] | i | | ii] | x Contopholes crassidens PLATE 9, Orocopit1a.—Goniopholis crassidens. Fre. 1. Outer surface of a lateral scute. 9. Inner surface of do. 3. Outer surface of a lateral scute. 4. Tb. of a portion of do. 5. Sutural margin of do. 6. Portion of lateral scute. 7. Section of do. All the figures are of the natural size. From the Wealden of Cuckfield. $ PLD Crocoduluans . nn | | | ۱ l | هداس نس اضر i | j i ; 1 Eg A : yi | Pay kllaghe Luk" to the Queer hens Aldous del et lith Gontopholts . | Fra. PLATE 10. Crooopınra.—Gomiopholis crassidens. 1,2, 3. Side view of the centrum of cervical vertebre. Under view of fig. 1. Upper view of do. Side view of anterior dorsal vertebre. Under view of do. End view of do. Vertical longitudinal section, contrasting with the character of fig. 9, Plate 6. All the figures are of the natural size. From the Wealden Clay of Cuckfield. 3 ۰ ی‎ » Jp Crocodilians. Fl. 10 4 Fig ză | | h AE | | 1 4 4 1 ) 1 E 4 LE y di f E à 7 a | | 4 Gontopholis. i Day kiaghelith tothe E dal zt Ei PLATH I JROOODILIA.— Goniopholis crassidens. Fore end of upper jaw, showing external nostril. Palatal surface of the same, with sockets of incisors. Crown of mandibular tooth. Portion of mandible and teeth. All the figures are of the natural size. From the Wealden Clay of Cuckfield. ۰ Crocodilians. Fig leben, det et Uath Goniopholis PLM PLATE 12. JROCODILTA.— Goniopholis crassidens. Fre. 1. Fragment of symphysial end of mandibular ramus, showing base of a tooth. 2. Another portion of the same mandible, showing part of the crown; a, ofa successional tooth. 8. Portions of the maxillary and mandibular bones of the same individual. 3 a. Side view of a portion of the same mandible. 4, Upper view of the same portion, showing the hind end of the mandibular symphysis. All the figures are of the natural size. From the Wealden Clay of Cuckfield. Crocodilians. "SOY AOROL) A EI 7 Uh FM PLATE 13. Orocopınıa.—Goniopholis crassidens. A slab of Wealden Clay-stone, with parts of the endo- and exo-skeletons, showing the toothed and hexagonal scutes in association. From the Wealden of Cuckfield. Gocodilians 7713: ۱ E 3 . || ; d Day boglyn Lith! و‎ the Queen Goniopholis. Fra. land 2. Side view of centrums of cervical or anterior dorsal vertebrae. All inferior PLATE 14. Crocopitta.—Goniopholis carinatus. Side view of centrum of an anterior dorsal vertebra. Under view of Fig. 1. Under view of Fig. 4. End view of Fig. 2. Side view of centrum of a posterior dorsal vertebra. Under view of the same centrum. End view of the same centrum. the figures. are of the natural size; the sharper and more ‚prominent ridge suggests the specific distinction above indicated. From the Wealden of Cuckfield. Crocodilia. PI. 14. t iu‏ سا Goniopholis carinatus. | | | (Sí | | | | | | PLATE 19, Croconınia.— Poikilopleuron Bucklandi. Side view of a portion of neural arch of vertebra. Front view of the same fossil. Upper view of the same fossil. Back view of diapophysis (c) and neural spine. Under view of the same vertebral fragment. The figures are two thirds natural size. From the Weald of Sussex. 1 Probably a Dinosaur. : Crocodilia TEL C. Burton; lithe, PLATE 20. Orocopınıa. —Streptospondylus Cuvieri. Fra. 1. Side view of dorsal vertebra. 2. Hind view of do. This is a type-vertebra of the ** opisthocoelian ” Crocodiles. From the Lias of Whitby. 1127111 52171/21105000. 'NHEWTYNWU'DP LEDO Crocodilia, oo Ur YNOF A PLATE 21. OROCODILIA.— Streptospondylus major. Side view of anterior dorsal vertebra; a, fore end; b, hind end. Side view of anterior portion of a hinder dorsal vertebra; a, fore end. Side view of summit of neural spine of do. Back view of do. 'Top view of summit of do. Top view of centrum of hind dorsal vertebra. From the Wealden of Sussex, (Pocoduta-. Var | y 1 | T al 7 1 f | | | | apt gh Latest le fee Streplospondyrlus . | | | | 1 Fra, ils 5 ده o o d All the vertebre are of the Cetiosaurus brevis, and are figured one fourth the natural size. PLATE 23. Crocodilia. Anterior articular surface of mutilated dorsal vertebra. . Posterior articular surface of the same vertebra. . Side view of the same vertebra. . Anterior surface of entire caudal vertebra. . Posterior surface of the same vertebra. . Side view of three consecutive caudal vertebræ. ! Subsequently shown to belong to the Dinosaurian order. 3 Crocodilia. TEE N N SErzdeben tne CELOS AUTUS . cU aeu: " PLATE 24. Orocodilia.* Fra. 1. Caudal vertebra, side view, Cetiosaurus longus. 2. Terminal articular surface of do. 3. Upper surface of do. 4, Vertical longitudinal section of a dorsal vertebra of do. Fig. 3 is of the natural size; the rest are reduced to two thirds the natural size. 1 Subseguently shown to belong to the Dinosaurian order. Crocodilia. Sine‏ ان مانت 44 Cetiosaurus. P y 2, [ [ i | È Al Crocodilia. PLATE 26. Fig. 1—7. Teeth of Polyptychodon interruptus, nat. size. From the Lower Chalk, near Lewes, Sussex. In the Museum of Mr. Potter, of Lewes. 8. Tooth of Polyptychodon continuus (?), nat. size. From the Lower Chalk of Sussex. In the Museum of Henry Catt, Esg., of Brighton. Crocodilia. Polyptychodon. FronvNature on Stone byd Erxleben Day Son tah to the Queen 3 [i E 1 Crocodilia. PLATE 27. Polyptychodon continuus (?). 1. Lower end of shaft of femur, (scale of 2 inches to 1 foot.) 2. Lower end of shaft of humerus, (scale of 2 inches to 1 foot.) 3. A larger portion of the shaft of a long bone, (scale of 2 inches to 1 foot.) 4. A fragment of a long bone, near the proximal end of humerus ? 5. Portions of the pubis, P, and ischium, 1, (scale of 2 inches to 1 foot.) 6. Fractured portion of the ilium, (scale of 4 inches to a foot.) From the Green-sand, near Hythe. Discovered and presented by H. Mackeson, Esg., of Hythe, Kent, to the British Museum. Crocodilia. YM 7 | | | | | d | | i | | | | | | T Erxleben, del et lly mith to the Queen | 3 Crocodilia. PLATE 28. Polyptychodon continuus (?). Fig. 1. A block of Green-sand stone, containing the shaft of a tibia, T, and the lower end of that of a fibula, F, (scale of 2 inches to a foot.) A block of Green-sand stone, containing the shaft of the humerus, n, and that of‏ و the ulna, v, (same scale.)‏ 3. A portion of the matrix, with impressions of the shafts of two metacarpal or metatarsal bones (same scale.) 4 and 5. Fragments of long bones (same scale.) From the Green-sand, near Hythe, Kent. Discovered and presented by H. Mackeson, Esg., to the British Museum. PL. 28. Crocodilia. Syn, LAS to the Queen. Day J. liradleben. del.eë lith yptychodon(?) OL Fig. Crocodilia. PLATE 29. 1 and 2. Crown of the tooth of Polyptychodon interruptus. 3. Outline of the base of the same tooth. From the Chalk of Sussex. 4. Crown of the tooth of Polyptychodon continuus. From the Chalk of Kent. Hill. In the Collection of H. W. Taylor, Esg., of Brixton 5. Crown of the tooth of Polyptychodon continuus. 6. Longitudinal section of the same tooth. From the Kentish Rag, Green-sand Formation, near Maidstone. In the Collection of J. Bensted, Esg. All the figures are of the natural size. Crocodilia. PL.29. IID 1 DM yfl ychodon_ 12. inter MYUUI-4A.5.6. conlinuud. 7 2 From Nature n Stone hy. Erxleben Day & Son Lith Crocodilia. PLATE 30. A slab of Green-sand, with portions of the skeleton of a young Crocodile. From near Hastings. In the Collection of W. D. Saull, Esg., F.G.S. Figs. 1 and 2. Portions of the jaws of the same Crocodile, nat. size. Crocodilia. PL30. | ٤ 1 | y | P Bl 4 From. Nature on. Stone by J Erxleben Day & Son, Lith! Sto The Queer — 5 $ N SS 3 e Dinosauria. PLATE 1. Iguanodon Mantelli, scale of 2 inches to a foot. A considerable portion of the skeleton in a block of the Kentish Rag variety of the Green-sand Stone Formation. Discovered by Mr. Bensted, of Maidstone. In the Collection of the British Museum. Dinosaurua . T Dinkel, del et lath Day £ Son Lih to The Queen a A = 7 C GAUANOROR . Dinosauria. PLATE 2. Outline of the same specimen, with the names inscribed on the best preserved bones: in the vertebræ, d, is * dorsal,” and c, “ caudal." Dinosauria . PL.2. Ungual Phádanx \ N | | Phalanx jj | que \ 2 É ( | 7 \ سےا‎ K 1 | ^y Meum \ \ | Ex FD > | ) | + | 7 A | LA N | à ACTES Er | | Phalanx | À Clavicle | LA / / BH) [Tium J VA Y Ap ۱ N J j A y y ۳ ۱ i NT 0 sd ya DN : // S ی‎ age 2 // > — \ 59 & / _ A — ee ene e y | a ch, =$ ۱ pee. 5 \ x 1 eo a Dinkle del et bth AEI 3 ARA Ya Day Son, Lith” to The Queen DA yuanoden ۱ Dinosauria. PLATE 3. Iguanodon Mantelli, nat. size. Side view of a dorsal vertebra. | p. Parapophysis, or lower transverse process, with the surface for the head of the rib. d. Fractured base of diapophysis or upper transverse process. ۷ n, w. Base of neurapophysis. n*, n". Neural platform. J 2. Posterior zygapophysis. ns. Neural spine. From the Kentish Rag. In the Collection of the British Museum, E Dinosaarta V V Y 1 Dinkel. de „et 277 Aguano don Day bm Lith™ Dinosauria. PLATE 4. Iguanodon Mantelli, nat. size. Front view of a dorsal vertebra. n,n. Base of neurapophysis. „2. Anterior zygapophyses. d. Base of diapophysis. From the Kentish Rag. In the Collection of the British Museum. | Dimosauria, + PT.A. | ۳1 | | | 1! | E | k ft^ | | N 114 | if | if ۷ | | | Dia 7, del. et lith Jay Son. LU lo lhe (nern fl Auanode 24 ——— A. ج‎ Dinosauria. PLATE 5. Iguanodon Mantelli, nat. size. Fig. 1. Front view of a caudal vertebra. 2. Side view of ditto. 3. Under view of ditto. 4. Under view of another caudal vertebra. From the Kentish Rag, near Maidstone. In the Collection of the British Museum. Vamoden / 7 y ta MOSAUTUL. D E x © = - 7 ۴ .. — 5 7 z 0 8 DE م‎ cr o |. wi M — LEE ED -~ y — NN V'* ب مهمد‎ " Dinosauria. PLATE 6. Chief part of the vertebral column, with some bones of the extremities, of a young Iguanodon ; nat. size. From the Wealden of Cowleaze Chine, Isle of Wight. In the British Museum, and "thatof J. S. Bowerbank, Esq., F.R.S. ۱ FR Dinosauria FLG. Fig. 1 3 Ford & West, Imp Dinosauria. PLATE 7. Iguanodon Mantelli ; one fourth nat. size. 1. Upper or vertebral portion of a thoracic rib, front view. 2. Back view of the same rib. 3. Upper view of the vertebral end of a thoracic rib, showing the ridge continued \ upon the long neck. | A | 4. A considerable portion of a succeeding thoracic rib. | | 5. Upper view of the vertebral end of the same rib. | | 6. A considerable portion of a succeeding thoracic rib. | 7. Upper view of the vertebral end of the same rib. | 3, An almost entire rib from about the middle of the thorax. | | 9. An anterior thoracic rib. | 10. Upper view of the vertebral end of the same rib. From the Wealden of Tilgate forest. In the British Museum. Dinosauria. PLI a «e 7 ¿nat size | i ۳9 Y مدهي p E JosDinkel os Dinkel Hth . Ford & West. Imp. lguanodon.. Dinosauria. PLATE 8. The inferior or ventral surface of the sacrum, and some anchylosed bones of the Iguanodon ; half nat. size. From the Wealden, near Brook-point, Isle of Wight. In the Museum of W. D. Saull, Esq., F.G.S. | Dinosauria. o s Dinkel, Lith lguanodon Dinosaurta. PLATE 9. The superior or dorsal surface of the sacrum, and some anchylosed bones of the Iguanodon ; half nat. size. From the Wealden, near Brook-point, Isle of Wight. In the Museum of W. D. Saull, Esq., F.G.S. ä PL و‎ Dinosauria. Ford & West, Imp. Jos Dinkel, Lith Iguanodon. Dinosauria. PLATE 10. Fig. 1. Right side of the sacrum, and anchylosed ilium of the Jguanodon ; half nat. size. 2. Left side of the sacrum, and anchylosed lumbar vertebra of the same Jguanodon. From the Wealden, near Brook-point, Isle of Wight. In the Museum of W. D. Saull, Esg., F.G.S. TAO. Dinosauria, Jos Dinkel Lith Iguanodon.. Dinosauria. PLATE 11. Fig. 1. Front view of the last lumbar vertebra anchylosed to the sacrum of the Jguanod on, half nat. size. 2. Back view of the sacrum with the anchylosed right iliac bone of the Jguanodon. From the Wealden, near Brook-point, Isle of Wight. In the Museum of W. D. Saull, Esg., F.G.S. Dinosauria. os Dinkel, Lath Iguanodon. Ford KW Dinosauria. PLATE 12. The body of the fourth sacral vertebra of a young Zguanodon ; nat. size. = de سر . Side view. bo . Front view. . Under view. ge دن‎ . Upper view, showing the place of the escape of the sacral nerves at oo. From the Wealden of Tilgate Forest, Sussex. In the British Museum. PLIA Iguanodon. Dinosauria. PLATE 13. Six consecutive vertebræ from the fore part of the tail of the Jguanodon Mantelli ; one third nat. size. An outline of a front view of the first of these vertebre : restored and adjoined. From the Wealden at Cuckfield, Sussex. In the British Museum. WA lol Dinosauria. y 3 7 / nat size & *Dinkel ith uanor an. L Dinosauria. PLATE 14. ll A vertebra probably behind the middle of the tail of the Iguanodon; two thirds nat. size; the heemal arch is wanting, and the neural spine is mutilated. ۱ | Fig | 1. Side view. | i 2. Upper view. i | 3. Front view. | | 4. Back view. cx . Under view. From the Wealden at Stammerham, Sussex. In the Museum of J. B. Holmes, Esq Dinosauria f PL. 14. 7/3 mal. Size / S[guunod on. . Dinosauria. PLATE 15. The tympanic bone of an Jguanodon? nat. size. From the Wealden of Tilgate forest, Sussex. In the British Museum. PLIS, Dinosauria. qu anodon. Dinosauria. PLATE 16. The dentary part of the right branch of the lower jaw of a young Iguanodon; nat. size. Fig. 1. Outside view. 2. Inside view, showing the alveolar depression, and the cerms of Some successional teeth. From the Wealden of Stammerham, Sussex. In the Museum of J. B. Holmes, Esg., of Horsham. ZO Dinosauria. upg TUOITOMEX] Dinosauria. PLATE 17. The same portion of lower jaw, as in Tab. XI, of a young /guanodon; nat. size. | | | : | Fig. 3. Upper view. 4. Under view. From the Wealden of Stammerham, Sussex. In the Museum of J. B. Holmes, Esq. of Horsham. Dinosauria. PL/7. 5 ES] 1 Bm i 2 E opas LAT CUD 7- usa COMME Dinosauria. PLATE 18. Portions of the upper and lower jaws of the Iyuanodon: nat. size. Fig. 1. The dentary part of the lower jaw of a large, probably full-grown Zguanodon : nat. size. From the Wealden of Tilgate, Sussex. In the British Museum. 2. The outer side of a portion of the back part of the left superior maxillary bone of a probably full-grown Zgwanodon: nat. size. 3. The inner side of the same specimen. 4. The cut surface of a vertical section taken through the fore part of the same specimen. From the Wealden near Brook-point, Isle of Wight. In the British Museum. FLIS Dinosauria E Lguanodon. Jos Dinkel ih Dinosauria. PLATE 19. Iguanodon Mantelli, one third nat. size ci ® . The scapula and coracoid (the upper end is downwards in the figure). N = . An end view of the same specimen showing the coracoid. . Front view of the humerus of the same individual. co EN . Side view of the same humerus. Back view of the lower half of the same humerus. Or o . Condyles of the same humerus. From the Wealden at Rusper, Sussex, In the Museum of J. B. Holmes, Esq. Dinosaurta. Dayköon ath? ma 6. Dinosauria. PLATE 20. Iguanodon Mantelli, one fourth nat. size. . Front view of the right femur: la, Outline of the head of the bone: 14, Outline of the condyles of the bone. . Back view of the right tibia ofa somewhat larger individual. From the Wealden of Tilgate Forest, Sussex. In the British Museum. . Outside view of the fibula of a younger Iguanodon. 4. Inside view of the same bone. . Front view of the same bone. (The upper end of the bone is downwards in these figures.) Lower end of the same bone. . Upper end of the same bone. From the Wealden of Sussex. In the Museum of J. B. Holmes, Esg,. of Horsham. . A slightly magnified view of the surface of a piece of the corium or true skin of the Zguanodon. From the specimen in Pl. 6; from the Wealden of Cowleaze Clime. In the Museum of J. S. Bowerbank, Esq., F.R.S. — ; i AN Dinosauria. PL 20, | | | Iguanodon. | ÿ A Miss. Holmes, & J.Dinkd. del. Ford & West Imp سس له ي سس Dinosawria. PLATE 21. Fig. 1. A first or proximal phalanx of one of the toes of an Jguanodon : nat. size. 2. A last or ungual phalanx of one of the toes of an Zguanodon: nat. size. From the Wealden of the South coast, Isle of Wight. In the Geological Museum of Oxford. Dinosaurıa. los. Dinkel Lith A.J. Lguanodon. Ford Dinosauria. PLATE 22. Ungual phalanges of modified shape, probably from the extreme toe, outer or inner, of the hind foot of the 4 Figs. 1 and 2, are of the specimen called ‘Horn of the Jguanodon, in the Works and Catalogue of Dr. Mantell. From the Wealden, Sussex. In the British Museum. Fig. 3. Side view of a similarly shaped phalanx. 4. Upper view of the same phalanx. 5. Upper view of a smaller and similar phalanx. From the Wcalden of Battle, Sussex. In the Museum of Felix Knyvett, Esg. A Dinosauria. PL 22 Jguanoden. Jos Dinkel Litt Dinosauria. PLATE 29. Different views of the teeth from the upper and lower jaws of the Zyuanodon; figs. 1—7, nat. size: figs. 8 and 9, highly magnified views of sections, showing structure. From the Wealden of Tilgate Forest; and Cuckfield, Sussex. In the British Museum. Dinosauria. PL23 Jos. Dinkel. ith Iguanodon É Dinosauria. PLATE 24. Megalosaurus Bucklandii ; nat. size. Three anterior dorsal vertebre : p, parapophysis, or lower transverse process: z, acces- sory tubercle contributing some attachment to the head of the rib: d, diapo- physes, or upper transverse process, fractured, which gave attachment to the tubercle of the rib: 5, oblique buttress extending from the parapophysis to the diapophysis, and contributing to the support of the neural platform: z, the prozygapophysis, رم‎ the zygapophysis, forming the ends of the neural platform and articulating the neural arches of the vertebræ with each other, ns, the neural spine of the foremost of these vertebre, ns, the neural spine of the second vertebra; it expands at its extremity, overhangs the anterior shorter spine, and developes a strong bony plate from its back part which fixes it to 2", the similarly developed and modified spine of the third vertebra. The extraordinary size and strength of the spines of these anterior dorsal vertebre, indicate the great force with which the head and jaws of the Megalosaurus must have been used. From the Wealden, near Battle. In the Museum of Samuel H. Beckles, Esg., ۰ وود Dinosauria. p Ford & West l Me egal osaurus. Dinosauria. PLATE 25. Sacrum of the Megalosaurus; half nat. size. From the Oolitic Slate of Stonesfield, Oxfordshire. Geological Museum, Oxford. In the ECN OS Pic 42 Nal. Sac. Megalosaurus 1 Dinosauria. PLATE 26. Fre. 4. Pubis of do. 5. Ischium of do. From the Oolitic Slate of Stonesfield, Oxfordshire. Ribs of the Megalosaurus; one fourth natural size. س Prom Nature Dinosauria. 7۰ Erxleben Megalosaurus. 47.26. 0 The Queen Dinosauria. PLATE 27. Fig. 1. The scapula of the Megalosaurus (?) ; one fourth nat. size. From the Wealden, of Sussex. In the Museum of J. B. Holmes, Esq., of Horsham. Fig. 2. An ulna of a Dinosaur. From the Wealden of Sussex. In the British Museum. Dinosauria . Fig. Day & Son; Lith to the Queer On Stone. by J Eirzleben Miss Holmes, del. Dinosauria. PLATE 28. The coracoid of the Megalosaurus; one fourth nat. size. Fig. 1. Inner surface. » 2. Articular border. From the Oolitic Slate, of Stonesfield, Oxfordshire. British Museum. In the -Dinosauria. MHegalosaurus. Dinosauria. PLATE 29. The femur of the Megalosaurus ; one fourth nat size. Fig. 1. Hinder surface. » 2. Inner surface. From the Oolitic Slate, of Stonesfield, Oxfordshire. British Museum. In the PL 29. Dinosaurta > = ES Q N Y à 1 $5 E Dinosawria. PLATE 30. Femoral condyles of the Megalosaurus; nat. size. From the Oolitic Slate, of Stonesfield, Oxfordshire. In the British Museum. Dinosauria. Megalosaurus yD a Dinosauria. PLATE 31. The tibia of the Megalosaurus ; one fourth nat. size. Fig. 1. Outer surface, with the upper articular end. » 2. Hinder surface, with the lower articular end. » 9- Section of shaft, showing the medullary cavity. From the Oolitic Slate, of Stonesfield, Oxfordshire. In the British Museum. MÀ کے‎ 3 R4 că ot N E N S wm Pos Ww NS S E = E i 2 1 5 1 Ÿ N N > N 3 ` xy S E Ts S Q — Dinosauria. | y PLATE 32. Ungual phalanges of Megalosaurus (?); nat. size. 1 Fig. I. Inside view. | » 2. Outside view. . Upper surface. i . The fractured end of figs. 1 and 2. y . Side view of a smaller entire phalanx. ob دن‎ From the Wealden Sand, Tilgate, Sussex. In the British Museum. | | 1 Dinosauria PLB? From Nature on Sione by J. Erxleben Day & Son. Lih? to the Queen Megalosaurus. pp TIA AU Dinosauria. PLATE 33. Megalosaurus Bucklandi, nat. size. Fig. 1. Inside view of a portion of the dentary element of the mandible, with teeth. » 2. Outside view of part of ditto. „ 9—11. Various teeth, the last much worn. „ 12. Magnified view of the finely serrated border of the teeth. Figs. 4, 7, and 9 from the Wealden, of Sussex; fig. 5 from the Corn- brash, of Oxfordshire; fig. 6 from the Bath Oolite, Somersetshire ; the rest from the Oolitic Slate, of Stonesfield, Oxfordshire. All the specimens, save fig. 1, in the Oxford Museum, are in the British Museum. Pl. 33. Dinosauria . Day & San, I ith t Queen Megalosarus . di ES RN سرت سا‎ ze e mn y ii aa © FE اس تعاطا‎ tau و‎ — o kae | —— a TE EE Dinosauria. PLATE 34, Figs. 1—3. A portion of the mandible with teeth of the Megalo- saurus Bucklandi ; nat. size. The foregoing figures are taken, with the permission of his Grace the Duke of Marlborough, from a specimen in his Grace’s collection, from the Oolitic Slate, of Stonesfield, Oxfordshire. Fig. 4. Side-view of a full-sized tooth of the Megalosaurus. 5. A portion of a tooth of Megalosaurus, from the Inferior Oolite, of Selsly Hill, Gloucestershire. In the British Museum. » Megalosaurus. Day & Son Lith” ta The Queen Dinosauria. PLATE 35. Portion of the skeleton of the Hylæosaurus, one fourth nat. size. From the Wealden of Tilgate, Sussex. In the British Museum. From Nature on 8 i om Stone by Erxlel 7۳ 20 SAU TUS armalas Dinosawria. PLATE 36. Four anchylosed bodies of sacral vertebre of a young Hylæosaurus, nat size. Fig. 1. Obligue side view, showing the expanded neural canal. 2. Under view. From the Wealden of 'Tilgate Forest, Sussex. In the Collection of Captain Lambart Brickenden, F.G.S. Pl. 30. Dinosauria. Fig. 2. W. West. Imp Jos Dinkel Uh | Dinosauria. PLATE 37. Portions of the sacrum of the Hylæosaurus, half nat. size. Fig. 1. Under view of the third and fourth, with portions of contiguous anchylosed, sacral vertebrae. | | From the Wealden of Tilgate, Sussex. In the British Museum. | 2. Side view. | | 3. Under view. | 4. Upper view of the third, with portions of the second and fourth, sacral ۰ From the submerged Wealden Beds, South Coast, Isle of Wight. In the British Museum. Dinosaurta Dinosauria. PLATE 38. Tibia of the Hyleeosaurus, half nat. size. Fig. 1. Inner side view. 2. Outer side view. 3. Upper articular end. From the Wealden at Bolney, Sussex. In the British Museum. Dinosauria. PL.38. | | 12 Nat. size. Dinosauria. PLATE 39. Fig. 1. Outside of a portion of jaw. 2. Inside of the same portion of jaw. 3. Upper view of the same. 4. The hinder fractured end of the same. 5. The fore fractured end of the same. 6 and 7. Two views of a tooth. 8. Side view of a tooth, imbedded in Wealden matrix. 9. A portion of a tooth, similarly imbedded. 'The above specimens are referred, with probability, to the Hylæosaurus. 10. Side view of a dorsal vertebra of the Hylæosaurus. 11. Articular surface of the body of the same vertebra. From the Wealden of Tilgate Forest, Sussex. In the British Museum. PLOI Dinos AUA 1 EP DY, 1 R x ES SEE BE RTS Dinosauria. PLATE 40. The osseous basis of a dermo-neural spine of the Hylæosaurus. p y Fig. 1. A section, highly magnified, of the osseous tissue. 2. Hinder border of the spine (reversed). 3. Side view of the spine. From the Wealden of Tilgate Forest, Sussex. In the British Museum. ' M0 Dinosaria. Jos Digg e W West Limp Dinosauria. PLATE 41. Caudal vertebræ of the Hylæosaurus, one sixth nat. size. 1. Ten vertebre from the base of the tail. 2. Eleven vertebre from near the end of the tail. 3. Under view of anterior caudal vertebre, showing the form, and place of articula- tion, of the hæmapophyses. 4. Back view of a heemal arch from the same (4) region of the tail (half nat. size). 4’. Under view of middle caudal vertebre, showing the shape of the hemapophyses, ۰ Side view of a hæmal arch from a middle caudal vertebra (half nat. size). Under view of caudal vertebrae beyond the middle of the tail. Back view of a hæmal arch from one of these vertebræ (half nat. size). “IS a The further modification of the heemapophyses in the posterior caudal vertebre is shown in fig. 2. From the Wealden of Tilgate, Sussex. In the British Museum. Dinosauria. Jos, Disks hth W. West mp. HA Dinosauria. PLATE 42. Metapodium of a foot of the Hylæosaurus. Fig. 1. Front or upper view of the three normally developed metapodials. 9. 'Tibial side view of the innermost, answering to the second. 3. Fibular side view of the outermost, answering to the fourth. From the Wealden of Tilgate, Sussex. In the British Museum. Dinosauria. g Foot of Hylaosaurus. | | | Dinosauria. PLATE 43. Foot of a young Iguanodon, upper or front view; nat. size. From the submerged Wealden Beds, South Coast, Isle of Wight. In the Museum of Samuel H. Beccles, Esq., F.G.S. PLAS. Dinosaurta . ATI? ۸1 & Dinosauria. PLATE 44. Parts of the foot of a young Iguanodon, nat. size. Fig. 1. Inner or tibial side view of the second toe, 11, with rudiment of the first, 1. 2. Imner or tibial side view of the first, second, and third phalanges of the middle toe. E 3. Outer or fibular side view of the fourth or outer toe. From the submerged Wealden Beds, South Coast, Isle of Wight. In the Museum of Samuel H. Beccles, Esq., F.G.S. Dinos AUT TU. PL. 44. PLATE 45. DINOSAURIA. Teeth of upper and lower jaw, Iguanodon ; natural size. From the Wealden of Sussex. Dinosauria. Jos Dinkel lih WNest imp Dinosauria. PLATE 46. Iguanodon Mantelli (nat. size). Fras. 5 From the Wealden Clay, Sussex. In the Collection of S. H. Beckles, Esq., F.R.S., F.G.S., dec. . Left radius and ulna, thenal or palmar aspect. Left ulna, proximal end, showing articular surface for the radius. . Left radius, proximal end, showing articular surface for the ulna. . Section of shaft of ulna. . Section of shaft of radius. à cd Dinosauria CL Griesbach del et hth Au anodon M a tel A ; Mes Dinosauria. PLATE 47. Iguanodon Mantelli (nat. size). Fras. 1. Right radius, distal end, anconal or dorsal aspect. 2. Osseous core of radial spine, proximal or upper margin. From the Wealden Clay, Sussex. In the Collection of S. H. Beckles, Esq., F.R.S., F.G.S., dc. Dinosauria L Cresbach delet lith Auanodn Manto. Dinosauria. PLATE 48. Iguanodon Mantelli (nat. size). Fra. l. Bones of left fore-foot. 2 O ND, ib. distal surface. From the Wealden Clay, Sussex. In the Collection of S. H. Beckles, Esg., F.R. F.G.S., &c. 3 a. Ungual phalanx of second digit, proximal or articular surface. an duur soxg zoya ag VENT. wyr مد‎ BP Ue Rose TD سسس 07 Id DILNDSOUUF Dinosauria. PLATE 49. Iguanodon Mantelli (nat. size). Fras. 1. Part of right mandibular ramus, inner side view. 2. Upper molar, outer side. 3 Ib., inner side. 4. 0% front view. 5. Lower molar, outer side. S inner side. b., front view. 8. Part of right mandibular ramus and teeth, inner side view, of a younger individual. 9. Cranium and upper molars, outer side view, of a smaller Iguanodon. 10. Maxillary tooth of do., magnified. Figs. 1—7, from the Wealden Clay, Sussex. In the Collection of S. H. Beckles, Esg. F.R.S., F.G.S., &c. Fig. 8, from the Middle Purbeck of Swanage. In the Collection of A. J. Hogg, Esg. Figs. 9, 10, from the Wealden of the Isle of Wight. In the Collection of the Rev. W. Fox, M.A. Mntern Bros imp. CL Griesbach.del. et lith. aua nodon Mantelli. Rene A — M ا‎ — TS 5 - - Dinosaurta. PLATE 59. Genus IGUANODON. Fic. 1. Inner side-view of the dentary element of the right mandibular ramus, /yuanodon Mantelli; nat. size. 2. Anterior surface of a worn upper molar of a younger Zguanodon. Mantelli. 3. Inner surface of the same tooth. 4. Outer surface of do. 5. Posterior surface of a lower molar of the same Zgwanodon Mantelli. 6. Inner surface of the same tooth. 7. Outer surface of do. S. Inner side-view of a portion of the right mandibular ramus of a younger Jguanodon Mantelli ; nat. size. 9. Major part of the skull of Jguanodon Pozii ; nat. size. 9 a. Portion of left tympanic and mandibular ramus of the same skull; nat. size (drawn without reversing). 10. Outer side-view of a worn, right, upper molar of the same skull ; magn. 5 diams. Figs. 1—7, from the Wealden Olay of Sussex, are in the Collection of S. H. Beckles, Esq., F.R.S., F.G.S., &e. Fig. 8, from the Middle Purbeck of Swanage, is in the Collection of A. J. Hogg, Esq. Figs. 9, 9 a, 10, from the Wealden of the Isle o£ Wight, are in the Collection of the Rev. W. Fox, M.A., of Brixton, in that island. Dinosauria. PLATE 61. Bolhriospondylus suffossus. Fic. 1. Hæmal or under view of centrum of sacral vertebra. 2. Neural or upper view of the same. 3. Hind view of the same. 4. Right side view of the same. All the figures are of the natural size. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. PO DINOSAURIA M& CL Griesbach del & hth Hanhart imp | Dinosauria. PLATE 62. Bothriospondylus suffossus. 1. Hind view of terminal centrum of sacral vertebra. 2. Right side view of the same. 3. Hæmal view of the same. 4. Neural view of mutilated centrum of sacral vertebra, restored in outline, | 5. Right side view of the same. 6. Hæmal view of the same, restored in outline. All the figures are of the natural size. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. DINOSAURIA CL Griesbach BOTHRIOSPONDYLUS Min‘ Dinosauria. PLATE 63. Bothriospondylus suffossus. 1. Right side view of centrum of dorso-lumbar vertebra. 9. Part of fore surface of the same, restored in outline. 3. Hind surface of the same. 4. Part of heemal surface of the same, restored in outline. 5. Neural surface of the same. ۱ | All the figures are of the natural size. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. cit = — DINOSAURIA np م1 L Grie,‏ clith Dinosauria. PLATE 64. Omosaurus armatus. Fıe. 1. Side-view of neural arch and spine of a cervical vertebra. 2. Upper-view of the same. 3. Side-view of a cervical vertebra of Varanus niloticus. 4. Upper-view of the same. All the figures are of the natural size. The subject of figs. 1 and 2 is from the Kimmeridge Clay at Swindon, Wilts. the British Museum. In PI ۸ Dix OSAURIA CL “mesbach del et ith OMOSAURUS. Dinosauria. PLATE 65. Omosaurus armatus. Fra. 1. Front-view of a dorsal vertebra. 2. Upper-view of the centrum of a dorsal vertebra. 3. Side-view of the same. The figures are of half the natural size. From the Kimmeridge Clay of Swindon, Wilts. In the British Museum. E DINOSAURIA. I OY CLG " “Griesbach. dal el With Mintern Bros. imp OMOSAURUS Dinosauria. PLATE 66. Omosaurus armatus. Fro. 1. Back-view of the neural arch of the dorsal vertebra, fig. 1, Pl. XII. 9. Side-view of the neural arch of the same vertebra. 3. Side-view of the centrum and base of neurapophysis of the same. The figures are of half the natural size. From the Kimmeridge Clay of Swindon, Wilts. Inthe British Museum. DINOSAURIA. Ted Xvi CLs حادم‎ iesbach del. et lith. Mintern Bros , nnp OMOSAURUS سيت سسس RE‏ --— 1 Dinosauria. PLATE 67. Omosaurus armatus. . Front-view of an anterior caudal vertebra. 2. Upper-view of end of neural spine. 3. Upper-view of centrum and. right pleurapophysis. 4. Under-view of the same. b. Proximal end of fourth metacarpal. 6. Distal end of the same. All the figures are of the natural size. From the Kimmeridge Olay-of Swindon, Wilts. In the British Museum. MARRAS L'INOSAURIA Mintern Bros. imp iesbach del. et lith. —— MWYN Dinosauria. PLATE 68. Omosaurus armatus. Fie. 1. Back-view of an anterior caudal vertebra. 2. Right side-view of centrum and neural arch of the same. 3. Left side-view of zygapophyses and neural spine of the same. 4. Proximal end of a terminal or ungual phalanx. 5. Distal end of the same. All the figures are of the natural size. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. RIA DINOSAU: 2. Fig: l- Fi OMOSAURUS. Dinosauria. PLATE 69. Omosaurus armatus. Fie. 1. Side-view of a middle caudal vertebra. 2. Back-view of the same. 3. Under-view of the centrum of the same. 4. Under-view of two middle caudal vertebrae, the foremost wanting its hzemal arch, of Monitor niloticus. 5. Side-view of a middle caudal vertebra of the same. Figs. 1—3 are figured a little more than half the natural size; figs. 4 and 5, natural size. The subject of figs. 1—3 is from the Kimmeridge Clay at Swindon, Wilts. In the British Museum. DINOSAURIA 0 Inches 'Mintern Bros imp CL Griesbach del. et lith. hj e a © op — © Où À ون‎ tO س‎ 10. Dinosauria. PLATE 70. Omosaurus armatus. . Thenal or palmar surface of the left humerus. . Anconal surface of the same. . Proximal end of the same. . Distal end of the same. . Transverse section of narrowest part of the shaft of the same. . Thenal surface of the left humerus of a Monitor niloticus. . Anconal surface of the left radius. . Thenal surface of the same. . Proximal end of the same. Distal end of the same. . Transverse section of narrowest part of the shaft of the same. 9. Thenal surface and proximal end of the left radius of a Monitor niloticus. . Radial surface of the left ulna. . Ulnar surface of the same. . Radial surface of the left ulna of a Monitor niloticus. ۱32۵ 0, 7 11, 13 and 14, are figured one fourth the natural size, from the Kimmeridge Clay at Swindon, Wilts. In the British Museum. — Figs. 6, 12, 15, are of the natural size. DINOSAURIA Pl. LXX Mintern Bros. imp C.L.Griesbach del. et lith. Dinosauria. PLATE 71. Omosaurus armatus. . Anconal surface of the fourth left metacarpal. . Radial surface of the same. . Anconal surface of a third left metacarpal. . Ulnar surface of the same. . Proximal end of the same. . Distal end of the same. س ww‏ حير co © All the figures are two thirds the natural size. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. -—— — E DINOSAURIA PL lO 46013 | E 1 | | ! | CH 1 e | L.Griesbach lel et ith Mintern Bros. imp OMOSAURUS | Dinosauria. PLATE 72. Omosaurus armatus. Hæmal or under-view of the pelvis, with contiguous dislocated vertebræ and a right femur. One eighth the natural size. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. DINOSAURIA. Sue X C.L Griesp. Sbaoh del, et lith. Mintern Bros. imp . Dinosauria. PLATE 73. Omosaurus armatus. Fra. 1. Heemal or under surface of the ischium. 2. Proximal or acetabular end of the same. 3. Distal or symphysial end of the same. 1. Hemal or under surface of the right pubis. 5. Neural or upper surface of the same. 6. Proximal end of the same. 7. Distal end of the same. S. Hæmal or under surface of the pelvis of an Egyptian Lizard (Uromaslyx spinipes) 9. Neural or upper surface of the same. Fies. 8 and 9 are of the natural size; the other figures are two ninths the natural size. The subjects of the latter are from the Kimmeridge Clay at Swindon, Wilts. In the British Museum. DINOsAURIA. Pl. LXXIII Es Mintern Bros . imp OMOSAURUS Dinosauria. PLATE 74. Omosaurus armatus. 1. Radial side of left carpal spine. 2. Anconal side of the same. 3. Fibular side of right tibia. 4. Popliteal side of the same. 9. Proximal end of the same. 6. 'Transverse section of narrowest part of the shaft of the same. Figs. 1 and 2 are of the natural size; figs. 3—6 are one fourth the natural size. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. DINOSAURIA Pl. LXXIV sh del. et lith, 9 Mintern Bros.imp Dinosawria. PLATE 75. Omosaurus armalus. Fra. 1. Section of the centrum of a sacral vertebra. 2. Base of the left carpal spine. 3. Section near the middle of the same. From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. DINOSAURIA. CL Griesbach del. et lith OMOSAURUS Mintern Bros. imp — Dinosauria. PLATE 76. Cetiosaurus longus. Fie. 1. Side view of dorsal vertebra. 2. Section of part of the same, showing the dense bony texture. Both figures are of the natural size. From the Great Oolite at Kirtlington, Oxfordshire. In the Geological Museum, University of Oxford. 4 2 p 3 Dino Dinosauria. PLATE 77. Omosaurus hastiger. Fig. 1. Articular surface of base of carpal spine : nat. size. Fig. 2. Articular surface of base of tarsal spine of Ornithorhynchus paradoaus, magn. The fossil is from the Kimmeridge Clay of Wootton Bassett, Wiltshire. In the British Museum. Dinosanria, TRIE) | م6 OL.‏ “Mesbach del. erliih‏ A Minter Fa m | Omosaurus hastiger. | Le I i | | I | | | Dinosauria. PLATE 78. Omosaurus hastiger. Fie. 1. Basal portion of right carpal spine, completed in outline : one third nat. size. 2. Side view of basal portion of right carpal spine, completed in outline: one third nat. size. 3. Basal portion of left carpal spine, completed in outline: one third nat. size. 4. Transverse section of body of left carpal spine, taken one third from the articular base: nat. size. From the Kimmeridge Clay of Wootton Bassett, Wiltshire. In the British Museum. Dinosauria. | PUTO. Fig.l. 1 i | | | 3 3l | ۱ | 1 | \ s | | j A | A a | | | E lesbach del. et litt ^ ۲ Mintern Bros imp Omosaurus hastiger., Dinosauria. J PLATE 79. Chondrosteosaurus gigas. N Fra. 1 | 1. Under view of the centrum of an anterior trunk-vertebra: nat. size. | 2. Reduced view of restored under surface of the same vertebra. From the Wealden of the Isle of Wight. In the British Museum. | iai iii ie PL.19. 5 e Mintern Bros. imp Chondrosteosaurus giges. Dinosauria. PLATE 80. Chondrosteosaurus gigas. Hinder articular surface of the centrum of an anterior trunk-vertebra: nat. size. From the Wealden of the Isle of Wight. In the British Museum. | | | | | | | e D Chondrosteosaurus gigas. Dinosauria. PLATE 81. Fre. 1. Neural surface of centrum of anterior trunk-vertebra of Olondrosteosaurus gigas : two thirds nat. size. 2. Hind surface of anterior trunk-vertebra of an Eagle (Halietus albicilla) : nat. size, 3. Neural surface of the centrum of the same vertebra : nat. size. The subject of fig. 1 is from the Wealden of the Isle of Wight. In the British Museum. Dinosauria. Pl.8l. CLG LGreisbach del et lith Mint imp Figs. 7 Chondrost 227 gigas x Ek o Halisætus albicilla. | | | | | | Dinosauria. PLATE 82. Chondrosteosaurus gigas. Fre. 1. Side view of centrum of an anterior trunk-vertebra : half nat. size. 2. Vertical longitudinal section of centrum of anterior trunk-vertebra : three fourths nat. size. From the Wealden of the Isle of Wight. In the British Museum. uo, 3 PI, 82. Dinosauria. l ] | i A —— | 1 ] | | NOL 0 3 i 1 4 A Miniera Bras | inf | CL Griesbach del.et lith 1 | Chondrosteosaurus gigas | Dinosauria. PLATE 83. Chondrosteosaurus magnus. Right side view of dorsal vertebra, natural size, From the Wealden of the Isle of Wight. In the British Museum, RE DE ee nun 21 597711212509790.1/21101( Mintern Bros . mp PL.83. Dinosauria. | | | | | Dinosauria. PLATE 84. Chondrosteosaurus magnus. Hind surface of a trunk-vertebra: nat. size. From the Wealden of the Isle of Wight. In the Museum of the Rev. W. Fox, l M.A., F.G.S. Dinosauria. L.Griesbach delet lith Chondrosteosaurus MAGUS, Mintern Bros. imp Dinosauria. PLATE 85. Chondrosteosaurus magnus. Fro. . Fore end of mutilated centrum of dorsal vertebra. . Side view of crown of tooth of Cardiodon rugulosus. . Fore end of the same tooth. . Hind end of the crown of another tooth of Cardiodon rugulosus. . Magnified view of markings on the surface of the enamel of the same tooth. بر t2‏ دون حير ct‏ All the figures are of the natural size. The subject of fig. 1 is from the Wealden of the Isle of Wight. In the British Museum. Those of figs. 2—5 are from the Forest Marble of Bradford, Wilts. In the Collection of Channing Pearce, Esq., of that town. 1 | imp PL.85. Mir nosaurua sbach CL Grie US. Chondrosteosaurus mag ———— — rc N n uu d 2 £ pe UT FY Ba ius