314 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
arvicoloides (Aulacomys), 125, 304 ^ 
arvicoloides (Microtus), 125, 304 - 
asellus (Lepus), 181. 
asiaticus (Sciurus), 39. 
astuta (Bassaris), 230. 
astutus (Bassariscus), 230. 
Atalaplia cinerea, 263. 
intermedia, 263. 
mexicana, 262. 
noveboracensis, 262. 
pfeifferi, 262. 
seminola, 262. 
teliotis, 262. 
Ateles, 298. 
ater, 299. 
geoffroy, 299. 
geoffroyi, 299. 
rufiventris, 299. 
vellerosus, 299. 
ater (Ateles), 299. 
ater (Canis), 207. 
athabascae (Bison), 21. 
Atopliyrax, 243. 
bendirei, 244. 
bendirii, 243 ^ 244. 
atrata (Mustela), 226. 
atricapillus (Spermopliilus), 49. 
atronasus (Dipodomys), 150. 
atrovarius (Thomoinys), 144. 
attwateri (Geomys), 137. 
attwateri (Lepus), 183. 
attwateri (Neotoma), 101. 
attwateri (Peroniyscus), 68. 
auduboni (Lepus), 185. 
audubonii (Lepus), 185. 
Aulacomys, 304. 
arvicoloides, 125, 304 - 
richardsoni, 124. 
aurantius (Reithrodontomys), 98. 
aureogaster (Sciurus), 25. 
aureolus (Hesperomys), 81. - 
aureus (Thomomys), 144. 
auricularis (Microtus), 126. 
auripectus (Peromyscus), 68, 69 . 
auripectus (Sitomys), 68. 
aurita (Didelphys), 7. 
aurita (Lonchorhina), 277. 
auritus (Chrotopterus), 279, 280 . 
auritus (Peromyscus), 69, 
auritus (Vampyrus), 279, 280 . 
austerus (Arvicola), 128. 
austerus (Hesperomys), 69. 
austerus (Microtus), 128. 
austerus (Peromyscus), 69. 
australis (Pipistrellus), 259. 
australis (Reithrodontomys), 96. 
australis (Scalops), 250. 
austrinus (Geomys), 136. 
austroriparius (Vespertilio), 307. 
avarus (Arctomys), 59. 
avia (Mephitis), 212. 
aztecus (Arvicola), 118. 
aztecus (Hesperomys), 69. 
aztecus (Lepus), 186. 
aztecus (Microtus), 118. 
aztecus (Peromyscus), 69. 
aztecus (Reithrodontomys), 301. 
bachmani (Lepus), 186 , 189. 
badius (Spermophilus), 56. 
bahamensis (Eptesicus), 260. 
bahamensis (Vespertilio), 260. 
baileyi (Lepus), 185. 
baileyi (Lynx), 200, 
baileyi (Neotoma), 101. 
baileyi (Perognathus), 160. 
baileyi (Sciurus), 32. 
Baiomys, 83. 
Baiosciurus, 38. 
bairdi (Microtus), 128, 
bairdi (Sorex), 239. 
bairdii (Elasmognatlius), 24. 
bairdii (Lepus), 177, 178 . 
Balantiopteryx, 268. 
plicata, 268. 
baliolus (Peromyscus), 83. 
banderanus (Peromyscus), 69. 
bangsi (Perognathus), 158. 
bangsi (Sciuropterus), 61. 
bangsi (Yulpes), 205. 
bangsii (Lepus), 179. 
barbara (Galictis), 219. 
barbara (Mustela), 219. 
barbata (Phoca), 194. 
barbatus (Erignathus), 194. 
barrowensis (Spermophilus), 46. 
Bassaricyon, 231. 
gabbii, 231. 
Bassaris astuta, 230. 
raptor, 230. 
sumiclirasti, 231. 
Bassariscus, 230, 231 . 
astutus, 230. 
flavus, 230. 
oregonus, 230. 
raptor, 230. 
saxicola, 230. 
beecheyi (Arctomys), 50. 
beecheyi (Spermophilus), 50. 
behnii (Micronycteris), 280. 
behnii (Schizostoma), 280. 
beldingi (Spermophilus), 46. 
bella (Neotoma), 101. 
bellus (Peromyscus), 69. 
belti (Sciurus), 29. 
belzebul (Simla), 296. 
bendirei (Atophyrax), 244. 
bendirii (Atophyrax), 243 , 244. 
