MILLER AND REHN: NORTH AMERICAN MAMMALS. 849 
Thalarctos, 234. 
inaritinms, 234. 
polaris, 234. 
Thalassarctos maritimus, 234. 
thomasi (Odocoileus), 17. 
thomasi (Peromysciis), 86. 
thomasi (SciuriLS), 28. 
Thoinoinys, 143. 
alpinus, 143. 
alticola, 146. 
alticolus, 146. 
altivallis, 143. 
angiilaris, 143. 
anitae, 146. 
atrovarius, 144. 
aureu.s, 144. 
bottae, 144. 
bnlbivoriis, 144. 
cerviniis, 144. 
chisius, 145. 
doiiglasii, 145. 
fossor, 145. 
, fulvus, 145. 
fu.scii.s, 145. 
intei'inedius, 14(5. 
laticeps, 146. 
iiiaitireDsis, 146. 
inazama, 14(5. 
iiielanops, 147. 
monticola, 147. 
inoiiticolus, 147. 
iiasicus, 147. 
]ievadensi.s, 147. 
nigricans, 146. 
operarius, 147. 
orizabae, 147. 
palle.scens, 144. 
peregrinns, 147. 
perpallidus, 148. 
pinetorinn, 147. 
(piadratus, 148. 
rnfescens, 143, 148. 
talpoides, 148. 
toltecus, 140. 
townsendii, 149. 
ninbrinus, 148. 
yelmensis, 145. 
tlioracatus (Capromys), 171. 
thnrberi (Peromyscus), 86. 
thnrberi (Sitomys), 86. 
Thyroptera, 274. 
discifera, 275. 
tricolor, 274. 
thysanodes (Myotis), 258. 
tibnronensis (Peromyscus), 87. 
tigrina (Felis), 108. 
timidus (Lepus), 177, 180, 
tolteca (4>lis), 100. 
toltecus (Cariacus), 17. 
toltecus (Cervus), 17. 
toltecus (Hesperoinys), 91. 
toltecus (Odocoileus), 17. 
toltecus (Sigmodon), 91. 
toltecus (Tlioniomys), 149. 
tolucae (Sciurus), 35. 
tornillo (Peromyscus), 87. 
torquata (Neotoma), 109. 
torquatus (Cunictilus), 135. 
torridus (Hesperomys), 67. 
torridus (Heterogeomys), 142. 
torridus (Onychomys), (57. 
totontepecus (Peromyscus), 80. 
townsendi (Arctocephalus), 102. 
townsendi (Arvicola), 122. 
townsendi (Microtus), 122. 
townsendi (Spermophilus), 48, 55. 
townsendi (Tamias), 45. 
townsendi (Urocyon), 202. 
townsendii (Arvicola), 121. 
townsendii (Corynorhinus), 266. 
townsendii (Eutamias), 45. 
town.sendii (Geomys), 140. 
townsendii (Microtus), 121. 
townsendii (Plecotus), 266. 
townsendii (Scalops), 251. 
townsendii (Scapanus), 251. 
townsendii (Spermophilus), 55. 
townsendii (Tamias), 45. 
townsendii (Thomomys), 140, 
towsendii (Scapanus), 251. 
Trachyops, 281. 
cirrhosus, 281, 282. 
fuliginosus, 281. 
transitionalis (Lepus), 187. 
Tricliechus obesus, 106. 
tricliopus (Zygogeomys), 143, 
tricolor (Thyroptera), 274. 
tridactyla (Myrmecophaga), 10. 
tridactylus (Bradypus), 8. 
tridecemlineatus (Sciurus), 55. 
tridecemlineatus (Spermophilus), 4H, 
55. 
tridecimliueatus (Spermophilus), 56. 
triniucronata (Arvicola), 134. 
trimucronatus (Lemmus), 134. 
trinitatis (Echimys), 170. 
Trinodontomys, 76. 
trinotatus (Zapus), 167, 307. 
trivirgata (Simla), 208. 
tropicalis (Blarina), 247. 
tropicalis (Monachus), 105. 
tropicalis (Phoca), 105. 
tropicalis (Putorius), 225. 
trowbridgei (Lepus), 180. 
trowbridgei (Sorex), 239. 
trowbridgii (Sorex), 230. 
truei (Hesperomys), 87. 
true! (Leims), 184. 
