XIV 



LIST OF ILLUSTKATIONS. 



FIG. 



30. Skeleton of the Giraffe . 



31. Skeleton of the Hippopotamus 



32. Segment of the Skeleton of Protopterus 



33. Segment of the Skeleton of Araphiuma 



34. Segment of the Skeleton of Proteus 



35. Tarsal Bones of the Horse 

 86. Tarsal Bones of the Ox . 



37. Tarsal Bones of the Rhinoceros 



38. Tarsal Bones of the Hippopotamus 



39. Tarsal Bones of the Elephant 



40. Skeleton of the Sloth . 



41. Skeleton of the Mole 



42. Skeleton of the Bat 



43. Skeleton of the Lion 



44. Skeleton of the Kangaroo 



45. Skeleton of Orang 



46. Skeleton of Man . 



47. Facial Angle of Crocodile 



48. Facial Angle of Albatross 



49. Facial Angle of Dog 



50. Facial Angle of Chimpanzee . 



51. Facial Angle of Australian 



52. Facial Angle of Eui'opean 



53. Section of Human Incisor Tooth 



54. Structure of Human Tooth . 



55. Section of Horse's Incisor 



56. Transverse Section of Tooth of Labyrinthodon 



57. Transverse Section of part of Tooth of Orycteropus 



58. Longitudinal Section of part of Grinder of Elephant 



59. Skull of the Pike, showing the Teeth . 



60. Jaws and Teeth of the Sting-Ray . 



61. Teeth of the Wolf-fish 



62. Tooth of the Megalosaurus .... 



63. New-Formed and Worn Teeth of the Iguanodon 



64. Skull and Tusks of Dicyiaodon lacerticeps 



65. Tooth, with Germs of Successors, of the Garrhial 



66. Poison-Fang of Rattlesnake .... 



67. Section of a Poison-Fang of Rattlesnake 



68. Skull of a Rattlesnake 



69. Jaws and Teeth of the Lion .... 



