ILLUSTRATIONS. 141 



Page. 



Fig. 14. Sternal rib of same individual; outer view 171 



15. The same rib; inner view 171 



16. Pelvis of Brontosaurus excelsus 172 



17. First metacarpal of Brontosaurus amplus Marsh; front view 173 



18. The same bone : side view 173 



19. Proximal end of same 173 



20. Distal end of same 173 



21. Terminal phalanx of Brontosaurus excelsus ; outer view 174 



22. The same bone; front view 174 



23. The same ; inner view 174 



24. Candal vertebra of Barosaurus lentus Marsh ; side view 175 



25. The same vertebra, in section ; front view 175 



26. The same vertebra ; bottom view 175 



27. Skull of Diplodoeus longus Marsh 177 



28. Dentary bone of Diplodoeus longus 178 



29. Sternal plate of Brontosaurus amplus 179 



30. Sternal plate of Morosaurus grandis Marsh 179 



31. Dorsal vertebra of Morosaurus grandis ; front view 181 



32. The same vertebra ; side view 181 



33. Transverse section through centrum of same 181 



34. Neural cavity in sacrum of Morosaurus lentus Marsh 182 



35. Dorsal vertebra of Pleuroccelus montanus Marsh ; side view 184 



36. The same vertebra ; top view 184 



37. The same; back view 184 



38. Candal vertebra of same individual ; front view 184 



39. The same vertebra; side view 184 



40. The same ; back view 184 



41. The same; top view 184 



42. Dentary bone of Nanosaurus agilis Marsh ; seen from the left 200 



43. Dium of same individual; left side 200 



44. Left femur of Nanosaurus rex Marsh ; front view 200 



45. Proximal end of same 200 



46. The same bone ; side view 200 



47. The same; back view 200 



48. Distal end of same 200 



49. Terminal phalanx, manus of Ornithomimus sedens Marsh; side view. 205 



50. The same phalanx ; front view 205 



51. The same ; back view 205 



52. Proximal end of same 205 



53. Map of Converse County, Wyoming 207 



54. Skull of Torosaurus gladius Marsh 215 



55. Ilium of Claosaurus agilis Marsh 223 



56. Restoration of Ae'tosaurus ferratus Fraas 231 



57. Diagram of left hind limb of Alligator mississippiensis Gray 232 



58. Diagram of left hind limb of Ae'tosaurus ferratus 232 



59. Diagram of left fore limb of Hallopus victor Marsh 233 



60. Diagram of left hind limb of same individual 233 



61. Left hind leg of Laosaurus consors Marsh 233 



62. Diagram of pelvis of Belodon Kapffi von Meyer 234 



63. Pelvis of Morosaurus lentus Marsh 235 



64. Pelvis of Ceratosaurus nasicornis Marsh 236 



65. United metatarsal bones of Ceratosaurus nasicornis 236 



66. United metatarsal bones of great Penguin 236 



