350 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 



truei (Odocoileus), 17, 300. 

 truei (Peromyscus), 87. 

 truei (Pheiiacomys), 801. 

 truei (Scapanus), 252. 

 truei (Sciurus), 27. 

 truei (Synaptomys), 133. 

 tschuktschorum (Lepus), 180. 

 tumida (Rhogeessa), 204. 

 tundrensis (Sorex), 236. 

 tuza (Geomys), 136. 

 tuza (Mus), 135, 136. 

 Tylomys, 88. 



iiudicaudus, 88. 



panamensis, 88, 89. 



watsoni, 89. 

 tylorhinus ( Platygeomy s) , 140. 



ubericolor (Lepus), 189. 

 umbrinus (Eutamias), 45. 

 umbrinus (Geomys), 148. 

 umbrinus (Peromyscus), 71. 

 umbrinus (Tamias), 45. 

 umbrinus (Thomomys), 148. 

 umbrosus (Microtus), 129. 

 unalascensis (Dicrostonyx), 135. 

 unalascensis (Mierotus), 121. 

 ungava (Evotomys), 115. 

 ungava (Pheiiacomys), 112, 302. 

 Ungulata, 12. 

 unicinctus (Dasypus), 11. 

 Urocryptus bilineatus, 268. 

 Urocyon, 202. 



californicus, 202. 

 cinereoargenteus, 202. 

 noridanus, 202. 

 fraterculus, 202. 

 guatemalae, 203. 

 littoralis, 203. 

 ocythous, 203. 

 parvidens, 204. 

 scottii, 203. 

 texensis, 203. 

 townsendi, 202. 

 virginianus, 202. 

 Uroderma, 289. 



bilobatum, 289. 

 planirostre, 289. 

 Uroleptes, 10. 

 Urotrichus gibbsii, 253. 

 Ursidae, 232. 

 ursina (Phoca), 191, 192. 

 ursinus (Arctocephalus), 192. 

 ursinus (Callorhinus), 192. 

 ursinus (Promops), 270. 

 Ursus, 232. 



alascensis, 233. 

 ainericanus, 233, 234. 

 arctos, 232. 

 californicus, 233. 



Ursus cancrivorus, 228. 



dalli, 232. 



eminonsi, 234. 



emmonsii, 234. 



ferox, 232. 



floridanus, 234. 



glacilis, 234. 



gulo, 218. 



horriaeus, 233. 



horribilis, 232, ;M3. 



lotor, 228. 



1 use us. 218. 



luteolus, 234. 



maritimus, 234. 



middendorffi, 232. 



richardsoni, 233. 



sitkensis, 232. 



sornborgeri, 234. 



taxus, 217. 

 utahensis (Eutamias), 41. 



vafer (Vulpes), 205. 

 vafra (Vulpes), 205. 

 vaga (Lutra), 211. 

 vagrans (Sorex), 237. 

 vallicola (Mierotus), 120. 

 Vampyrops, 290. 



lineatus, 290. 



vittatus, 290, 291. 

 Vampyrus, 279. 



auritus, 279, 280. 



cirrhosus, 281. 



spectrum, 279. 



vancouverensis (Sciurus), 33. 

 vancouverensis (Sorex), 238. 

 variabilis (Sciurus). 37. 

 variegatoides (Sciurus), 29. 

 variegatus (Chironectes), 4. 

 variegatus (Sciurus), 56. 

 variegatus (Spermophilus), 56, 57. 

 varius (Sciurus), 300. 

 velifer (Myotis), 255, 307. 

 velifer (Vespertilio), 25"). 

 vellerosus (Ateles), 299. 

 vellerosus (Mierotus), 303. 

 velox (Canis), 206. 

 velox (Vulpes), 206. 

 ventorum (Sciurus), 33. 

 ventralis (Sorex), 238. 

 venusta (Neotoma), 109. 

 venustus (Tamias), 39. 

 veraecrucis (Lepus), 188. 

 veraecrucis (Pipistrellus), 259. 

 veraecrucis (Vesperugo), 2o ( .. 

 veraepacis (Sorex), 240. 

 Vesperimus ainericanus, 76. 



difficilis, 72. 



fraterculus, 73. 



mearnsii, 78. 



