MILLER AND REHN : NORTH AMERICAN MAMMALS. 349 



Thalarctos, 234. 



maritimus, 234. 



polaris, 234. 



Thalassarctos maritimus, 234. 

 thomasi (Odocoileus), 17. 

 thomasi (Peromyscus), 80. 

 thomasi (Sciurus), 28. 

 Thornomys, 143. 



alpinus, 143. 



alticola, 140. 



alticolus, 140. 



altivallis, 143. 



angularis, 143. 



anitae, 140. 



atrovarius, 144. 



aureus, 144. 



bottae, 144. 



bulbivorus, 144. 



cervinus, 144. 



clusius, 145. 



douglasii, 145. 



fossor, 145. 



fulvus, 145. 



fuscus, 145. 



intermedius, 140. 



laticeps, 140. 



martireiisis, 140. 



mazama, 140. 



melanops, 147. 



inouticola, 147. 



monticolus, 147. 



nasicus, 147. 



nevadensis, 147. 



nigricans, 140. 



operarius, 147. 



orizabae, 147. 



pallescens, 144. 



peregrinus, 147. 



perpallidus, 148. 



pinetorum, 147. 



quadratus, 148. 



rufescens, 143, 148. 



talpoides, 148. 



toltecus, 149. 



townsendii, 149. 



umbrinus, 148. 



yelmensis, 145. 

 thoracatus (Capromys), 171. 

 thurberi (Peromyscus), 80. 

 thurberi (Sitomys), 80. 

 Thyroptera, 274. 



discifera, 275. 



tricolor, 274. 

 thysanodes (Myotis), 258. 

 tiburonensis (Peromyscus), 87. 

 tigrina (Felis), 198. 

 timidus (Lepus), 177, 180. 

 tolteca (Felis), 199. 

 toltecus (Cariacus), 17. 



toltecus (Cervus), 17. 

 toltecus (Hesperomys), 91. 

 toltecus (Odocoileus), 17. 

 toltecus (Sigmodon), 91. 

 toltecus (Thomomys), 149. 

 tolucae (Sciurus), 35. 

 tornillo (Peromyscus), 87. 

 torquata (Neotoma), 109. 

 torquatus (Cuniculus), 135. 

 torridus (Hesperomys), 07. 

 torridus (Heterogeomys), 142. 

 torridus (Onychomys), 67. 

 totontepecus (Peromyscus), 80. 

 townsendi (Arctocephalus), 192. 

 townsendi (Arvicola), 122. 

 townsendi (Micro tus), 122. 

 townsendi (Spermophilus), 48, 55. 

 townsendi (Tamias), 45. 

 townsendi (Urocyon), 202. 

 townsendii (Arvicola), 121. 

 townsendii (Corynorhinus), 200. 

 townsendii (Eutamias), 45. 

 townsendii (Geomys), 149. 

 townsendii (Microtus), 121. 

 townseudii (Plecotus), 200. 

 townsendii (Scalops), 251. 

 townsendii (Scapanus), 251. 

 townsendii (Spermophilus), 55. 

 townsendii (Tamias), 45. 

 townsendii (Thomomys), 149. 

 towsendii (Scapanus), 251. 

 Trachyops, 281. 



cirrhosus, 281, 282. 



fuliginosus, 281. 

 transitionalis (Lepus), 187. 

 Trichechus obesus, 190. 

 trichopus (Zygogeomys), 143. 

 tricolor (Thyroptera), 274. 

 tridactyla (Myrmecophaga), 10. 

 tridactylus (Bradypus), 8. 

 tridecemlineatus (Sciurus), 55. 

 tridecemlineatus (Spermophilus), 4 



55. 



tridecimlineatus (Spermophilus), 56. 

 trimucronata (Arvicola), 134. 

 trimucronatus (Lemmus), 134. 

 trinitatis (Echimys), 170. 

 Trinodontomys, 76. 

 trinotatus (Zapus), 167, 307. 

 trivirgata (Simia), 298. 

 tropicalis (Blarina), 247. 

 tropicalis (Monachus), 195. 

 tropicalis (Phoca), 195. 

 tropicalis (Putorius), 225. 

 trowbridgei (Lepus), 189. 

 trowbridgei (Sorex), 239. 

 trowbridgii (Sorex), 239. 

 truei (Hesperomys), 87. 

 truei (Lepus), 184. 



