TABLE OF CONTENTS. 
Felis Onca, 
Jaguar , ..... 
Page 
1 
Mephitis Macroura, 
. Large-tailed Skunk , . 
11 
Arctomys Pruinosus, 
. Hoary Marmot. — The Whistler, 
17 
Sciurus Colleei, 
. Collie’s Squirrel, 
21 
Pseudostoma Douglasii, . 
. Columbia Pouched-Rat, 
24 
Cervus Richardsonii, 
. Columbian Black-tailed Deer, . 
■ 27 
Arctomys Lewisii, . 
. Lewis’s Marmot, 
32 
Lepus Bachmani, . 
. Bachman’ s Hare, 
35 
Spermophilus Mexicanus, 
. Californian Marmot- Squirrel, . 
39 
Pseudostoma Talpoides, . 
Mole-shaped Pouched-Rat, 
43 
Ovibos Moschatus, . 
. Musk-Ox, .... 
46 
Lepus Californicus, 
. Californian Hare, 
53 
Can is Familiaris (yar. Borealis), 
Esquimaux Dog, 
67 
Spermophilus Lateralis, . 
. Say’s Marmot- Squirrel, 
62 
Arvicola xanthognatha, . 
Yellow -che eked Meadow-Mouse, 
67 
Vulpes Fulvus, 
. American Black or Silver Fox, . 
70 
Sciurus Nigrescens, 
. Dusky Squirrel, 
74 
Cervus Leucurus, . 
. Long-tailed Deer, 
77 
Georychus Iludsonius, . 
. Hudson’s Bay Lemming, . 
82 
Georychus Helvolus, 
Georychus Trimucronatus, 
V ulpes Lagopus, 
. Tawny Lemming , 
. Back’s Lemming , 
. Arctic Fox, .... 
&5V; 
87 
90S'? 
Lutra Canadensis (var. Lataxina 
Mollis), 
Canada Otter, .... 
97 
Aplodontia Leporina, 
. Sewellel , ..... 
99 
Spermophilus Mexicanus, 
Mexican Marmot. Squirrel, 
39 
So rex Palustris, 
. American Marsh Shrew, . 
108 
Rangifer Caribou, . 
. Caribou, or American Reindeer, 
111 
Ursus Americamus (var. Cinnamomum), . 
. Cinnamon Bear, 
125 
Capra Americana, . 
. Rocky Mountain Goat, 
128 
Arvicola Borealis, . 
. Northern Meadow -Mouse, . 
134 
Dipodomys Phillipsii, 
. Pouched Jerboa Mouse, 
137 
Ursus Ferox, .... 
. Grizzly Bear, .... 
141 
Can is Familiaris (yar. Lagopus), 
. Hare- Indian Dog, . 
153 
Lepus Texianus, 
. Texan Hare, .... 
156 
Arctomys Flaviventer, . 
. Yellow-bellied Marmot, 
160 
Arvicola Richardsonii, . 
. Richardson’ s Meadow-Mouse, . 
163 
Arvicola Drummondii, . 
. Drummond’s Meadow-Mouse, . 
166 
Cervus Virginianus, 
Common Deer , .... 
168 
