XVIU 



LIST OF ILLUSTEATIONS. 



PIG. 



8. Sternum and adjacent parts of ScapMopus holbrooki 

 9.' Sternum of Tadpole of Rana temporaria . 



10. Sternum of adult Rana temporaria 



11. Metacarpus, carpus, and distal extremity of radius of Po'ebrotherium vilsoni 



12. The same, less radius, with first phalanges of Procamelus Occident alls 



13. Skull of Protolahis transmontanus 



14. '^^wW oi Procamelus occidentalls . ... 



15. Tooth of Globicephalus 



16. Tooih. of Jaculus hudsonicus .... 



17. 'iooih oi Lcptochcerus spcctabilis. From Leidy . 



18. Tooth of Rhinocerus, milk superior molar . 



19. 1ooi\\ oi Achcenodon insolens .... 



20. Tooth of Hippopotamus amphibius. From Cuvier 



21. Tooth of Hyopotamus velaunus. From Blainville 

 ■ 2 i. Tooth of Hyojjotamus americanus. From Leidy 



23. Tooth of Procamelus 7-obustus. From Leidy 



24. Tooth of Merychyus major. From Leidy . 



25. Tooth of Tapirus 



26. Tooth of Mastodon angustidens. From Cuvier 



27. Tooth of JIastodon americanus. From Cuvier 



28. Tooth of Dinotherium. From Cuvier 



29. Tooth of Elcphas indicus. From Cuvier . 



30. Tooth of Microsyops elegans. From Leidy 

 81. Tooth oi Jlyopsodus paulus. From Leidy . 



32. Tooth of Palceosyops kcvidens. From Leidy 



33. Tooth of Anchippodus ripariv^. From Leidy 



34. Tooth of Palceosyops vallidens. From Leidy 



35. Tooth of Palceotherium. From Cuvier 



36. Tooth of Hipposyus. From Leidy 



37. Tooth of Hipposyus more worn. From Leidy 



38. Tooth of Hypohippus. From Leidy . 



39. Tooth of Equus, superior molar. From Leidy 



40. Tooth of Eqims, inferior molar. From Leidy 



41. Tooth of Bathmodon radians 



42. Tooth of Uintatherium robusium, superior molar. From Leidy 



43. Tooth of Uintatherium 7'obustum, inferior molar. From Leidy 



44. Periplychus rhabdodon, part of posterior foot 



45. Coryphodon elcpJianiopus, right fore foot, one third natural size 



46. Coryphodon elephantopus, right posterior foot . 



47. Phenacodus primeevus, right anterior foot, one third natural size, 



48. Phenacodus primcBvus, left posterior foot, one third natural size 



49. Homo sapiens, left anterior foot (hand), one third natural size . 



50. Homo sapiens, left posterior foot, one third natural size 

 61. Phcnacodus primeevus Cope, skull, one third natural size, from below 



52. Simia satyrus, section of skull of adult 



52a. Simia satyrus, section of skull of young 



53. Homo sapiens, infant at term .....•• 



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