xlvi SYSTEMATIC LIST OF THE SPECIES. 
PAGE 
61. Preromys Sasrinus. The Severn River Flying Squirrel : f 193 
Var. 8. aLpina. The Rocky-Mountain Flying-Squirrel ‘ - 195 
Geomys. Generic characters i ‘ ° i ; 197 
62. . Dovetasit. The Columbia Sand-Rat . . 200 
{- ss umMBRINuUs. Leadbeater’s Sand-Rat z ‘ d 202 
63. » ? BuRSARIUS. The Canada Pouched-Rat : : . 203 
64, »; ? TaLporpes. The Mole-shaped Sand-Rat A 4 : 204 
65. DipLostoma BuLBivoruM. The Camas-Rat : - ; . 206 
ApLopontia. Generic characters : ‘ : 210 
66. APLopONTIA LEPORINA. The Sewellel . ' - 5 211 
67. Hystrix pttosus. The Canada Porcupine A é P 214 
68, Lepus Americanus. The American Hare 217 
69. ,,  o@Laciatis. The Polar Hare : : 2 221 
70. ,,  Vireintanus. The Prairie Hare A : - .. Cee 
71. ,, (Lacomys) princers. The Little-Chief Hare ‘ é 227 
7. Lipura Hupsonra. The Menllese Marmot 4 - ; . 230 
72. Equus capatLus, The Horse . , Z 231 
73. Cervus aces. The Moose-Deer - 3 : 232 
74, »,  TARANDUS. The Caribon 5 : A , 238 
Var. a. ARCTICA . 241 
» f. SYLVESTRIS : 250 
79. ». STRONGYLOCEROs. The Wapiti : : - 2ol 
76. »  MacRoris. The Black-tailed Deer A - i 254 
Var. 8. CoLUMBIANA i é A : 257 
Ti. »  tEucurus. The Long-tailed Deer ° : . 208 
78. ANTILOPE FURCIFER. The Prong-Horned Antilope : . 261 
79. Capra Americana. The Rocky Mountain Goat : : : 268 
80. Ovis montana. The Rocky Mountain Sheep ° : . 271 
81. Ovisos moscuatus. The Musk-Ox P 2 . . 275 
82. Bos Americanus. The American Bison ; - A . 2 
