INDEX 
(Synonyms printed in italic.) 
A 
Abert's Squirrel, 183 
aberti, Sciurus, 183 
aberti concolor, Sciurus, 184 
aberti ferreus, Sciurus, 184 
aberti mimus, Sciurus, 183 
agrestis, Thomomys talpoides, 
84 
albigula warreni, Neotoma, iii 
American Antelope, 13 
American Bison, 5 
American Elk, 24 
americana, Antilocapra, 13 
americanus macrourus, Odo- 
coileus, 19 
americanus, Ursus, 232 
Ammospermophilus, 164 
Ammospermophilus leucurus 
cinnamomeus, 164 
amoenus operarius, Eutamias, 
176 
animosus, Eutamias quadrivit- 
tatus, 174 
Antelope, American, 13 
Antelope Squirrel, 165 
Antilocapra, 13 
Antilocapra americana, 13 
Antilocapridae, 12 
Antrozous, 283 
Antrozous pallidus, 284 
apache, Perognathus, 69 
Apache Pocket Mouse, 69 
aquaticus machrinus, Scalops, 
260 
arizonse, Neotoma, 120 
arizonae, Spilogale, 216 
Arizona Spotted Skunk, 216 
Arizona Wood-Rat, 120 
arizonensis, Putorius, 196 
astutus, Bassariscus, 220 
auduboni baileyi, Sylvilagus, 49 
auduboni warreni, Sylvilagus, 52 
aureus, Thomomys, 79 
aureus pervagus, Thomomys, 
79 
auripectus, Peromyscus crini- 
tus, 133 
B 
Badger, 205 
baileyi, Lynx, 253 
baileyi, Neotoma floridana, 11 1 
baileyi, Sylvilagus auduboni, 49 
Bailey's Bobcat, 253 
Bailey's Cottontail, 49 
Bailey's Wood-Rat, iii 
Baird's Pocket Mouse, 70 
Baird's Wood-Rat, 109 
bairdi, Lepus, 38 
Bassariscus, 220 
Bassariscus astutus, 220 
Bat, Brown, 279 
Bat, California, 274 
Bat, Fort Yuma, 273 
Bat, Hairy-lipped, 275 
Bat, Hoary, 282 
Bat, Little Brown, 273 
Bat, Long-eared, 276 
Bat, Mexican Free-tailed, 285 
Bat, Pale, 284 
Bat, Pale Big-eared, 283 
Bat, Red, 281 
Bat, Say's, 275 
Bat, Silver-haired, 277 
Bat, Tucubaya Free-tailed, 286 
Bat, Western, 278 
291 
