ILLUSTRATIONS Xlll 



Fig. 46. Steller's Sea Lion 101 



Fig. 47. Hawaiian Seal 106 



Fig. 48. Pangolin 107 

 Fig. 49. Upper Right Cheek-teeth of Rice Rat, Black 



Rat, and Vole 108 



Fig. 50. Asiatic Porcupine 122 



Fig. 51. Brush-tailed Porcupine 123 



Fig. 52. Hump-backed Whale 129 



Fig. 53. Sperm Whale 130 



Fig. 54. Common Dolphin 135 



Fig. 55. Dugong 136 



Fig. 56. Asiatic Elephant 138 



Fig. 57. Asiatic Water Buffalo 140 



Fig. 58. Tamarau 141 



Fig. 59. Anoa 142 



Fig. 60. Serow 143 



Fig. 61. Sambar Deer 145 



Fig. 62. Sika Deer 147 



Fig. 63. Barking Deer 148 



Fig. 64. Mouse Deer 150 



Fig. 65. Babirusa 151 



Fig. 66. Javan Rhinoceros 152 



Fig. 67. Sumatran Rhinoceros 152 



Fig. 68. Malay Tapir 153 

 Fig. 69. Faunal Regions of the World, showing probable 



greatest extent of land during the Ice Age 165 



Front end paper: The Pacific Ocean and the 

 East Indies 



Jacket photograph, Courtesy of The Zoologi- 

 cal Society of Philadelphia 



