X. LIST OF ILLUSTRATIONS. 



FIG. PAGE. 



24. Section of Skull of Greenland Whale . 67 



25. Skeleton of Extinct Irish Deer . . ".' . 76 



26. Cheek Tooth of Antelope . 78 



27. Bones of Foot of Euminant . . " \ .79 



28. Horns of Gazelle . . 82 



29. Skull of Sivathere . . ... 83 



30. Antlers of Red and Sambar Deer ... 84 



31. Giraffe . ... 87 



32. Slender Loris . . . ' ... 99 



33. Tarsier . . 105 



34. Three-banded Armadillo . . 109 



35. Pichiciago . . ... .113 



36. Six-banded Armadillo . .115 



37. Ethiopian Aard-Vark . . . .118 



38. Jaw of Stonesfield Mammal . . 122 



39. Jaw of American Jurassic Mammal . 124 



40. Jaw of Triconodon ,. 125 



41. Jaw of Plagiaulax ... .126 



42. Jaws and Teeth of Rat-Kangaroo . ' .127 



43. Skull of South African Secondary Mammal . .- 129 



44. Side view of Skull of Crocodile . . > 135 



45. Skull of Crocodile . . 136 



46. Skull of Extinct Crocodilian . .140 



47. The Bichir . / . . . .143 



48. An Extinct Ganoid . . . .144 



49. Skeleton of Perch ..... 145 



50. Skeleton of Fin of Extinct Shark . . ,' 146 



51. Skeleton of Extinct Shark . 147 



52. Tooth of Extinct Lung-Fish . . . . . 149 



