458 IndexTree squirrel, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12,
13, 14, 15, 16
Culion, 190
northern Palawan, 187
Philippine, 190
southern Palawan, 192
trepidus, Callospermophilus lateralis, 256
trichotis, Belomys pearsonii, 88
tricolor, Sciurus spadiceus, 69
tridecemlineatus, Ictidomys, 19, 270 –71,
397
tridecemlineatus, 270
trinitatus, Callospermophilus lateralis,
256
tristriatus, Funambulus, 165 –66
tristriatus, 165
Trogopterus, 2, 19, 88, 111, 132 , 383
xanthipes, 88, 111, 132 –33, 383
Tropical ground squirrel, 290
trotteri, Callosciurus fi nlaysonii, 140
truei, Sciurus colliaei, 48
tschaganensis, Marmota bobak, 273
Tufted ground squirrel, 36
Tufted pygmy squirrel, 160
tularosae, Otospermophilus variegatus,
295
Uinta chipmunk, 347
Uinta ground squirrel, 349
ukrainicus, Sciurus vulgaris, 75
umbrinus, Tamias, 315, 331, 338, 347 –48
umbrinus, 348
umbrosus, Tamias sibiricus, 338, 339
underwoodi
Glaucomys volans, 96
Sciurus variegatoides, 73
undulatus
Heliosciurus, 231 –32
Urocitellus, 304, 364 –65
undulatus, 364
ungavensis, Tamiasciurus hudsonicus, 80
Unstriped ground squirrel, 208
Upland squirrel, 193
Urocitellus, 2, 5, 12, 14, 349 , 401
armatus, 349 –50, 352, 356, 357, 358
beldingi, 12, 14, 350 –52, 357
beldingi, 350
creber, 350, 351
oregonus, 351
brunneus, 352 –54
brunneus, 352
endemicus, 352, 353
canus, 354 –55, 363
canus, 354
vigilis, 354
columbianus, 12, 14, 296, 303, 352, 353,
355 –57, 401
columbianus, 355
rufi caudus, 355
elegans, 352, 356, 357 –59
aureus, 358
elegans, 358
nevadensis, 358
mollis, 354, 359 –60, 363
artemesiae, 359
idahoensis, 359
mollis, 359
parryii, 360 –61
ablusus, 361
kennicottii, 361
kodiacensis, 361
leucostictus, 361
lyratus, 361
nebulicola, 361
osgoodi, 361
parryii, 361
plesius, 361
stejnegeri, 361
richardsonii, 296, 356, 357, 358, 359,
362 –63
townsendii, 352, 354, 357, 359, 363 –64
nancyae, 363
townsendii, 363
undulatus, 304, 364 –65
eversmanni, 364
jacutensis, 364
menzbieri, 364
stramineus, 364
transbaikalicus, 364
undulatus, 364
washingtoni, 352, 365 –66
utah, Otospermophilus variegatus, 295
utahensis, Tamias dorsalis, 322
Utah prairie dog, 262, 266valdiviae, Sciurus granatensis, 54
vallicola, Tamias amoenus, 317
vancouverensis, Marmota, 288 –89
Vancouver Island marmot, 288
variabilis, Sciurus granatensis, 54
Variegated squirrel, 70
variegatoides, Sciurus, 48, 49, 50, 70 –73
variegatoides, 71, 72
variegatus, Otospermophilus, 290, 292, 295 –
96, 319, 398
variegatus, 295
varius, Sciurus vulgaris, 75
ventorum, Tamiasciurus hudsonicus, 81
venustulus, Microsciurus alfari, 32
venustus
Sciurus aestuans, 40
Tamias striatus, 344
versicolor, Sciurus granatensis, 54
vestitus, Tamiops swinhoei, 198
vexillarius, Paraxerus, 245 –46
vexillarius, 245
vigilis, Urocitellus canus, 354
vincenti, Paraxerus, 246
Vincent’s bush squirrel, 246
vittatus, Callosciurus notatus, 145vivax, Sciurus deppei, 49
volans
Glaucomys, 17, 92, 94, 95 –98, 126
volans, 96
Pteromys, 129 –31, 382
volans, 129, 130
vordermanni, Petinomys, 99, 127 –28
Vorderma nn’s fl ying squirrel, 127
Vulcanisciurus, 5
vulcanius, Heliosciurus ruwenzorii, 230
vulcanus, Lariscus niobe, 171
vulgaris, Sciurus, 43, 47, 73 –76, 339
vulgaris, 74
vulpinus, Sciurus niger, 61
vumbae, Heliosciurus mutabilis, 226waringensis, Callosciurus prevostii, 149
Washington ground squirrel, 365
washingtoni, Urocitellus, 352, 365 –66
weberi, Prosciurillus, 179 –80
Weber’s dwarf squirrel, 179
Western dwarf squirrel, 34 , 35
Western gray squirrel, 47, 54
Whiskered fl ying squirrel, 124
whiteheadi, Exilisciurus, 160 –61
White-tailed antelope squirrel, 253
White-tailed prairie dog, 261
Whitish dwarf squirrel, 176
williamsoni, Callosciurus fi nlaysonii, 142
wilsoni, Epixerus ebii, 211
winstoni, Hylopetes, 105
Woodchuck, 7, 284
Wool ly fl ying squirrel, 91
wortmani, Callospermophilus lateralis,
256
wrayi, Callosciurus prevostii, 148
Wyoming ground squirrel, 357xanthipes, Trogopterus, 88, 111, 132 –33, 383
xanthoprymnus, Spermophilus, 313 –14
xanthotis, Petaurista, 122
xanthotis, 122
Xerinae, 1, 2, 3, 200
Xerini, 1, 2, 3, 200
Xerospermophilus, 2, 5, 12, 13, 14, 366 ,
401
mohavensis, 366 –67, 401
perotensis, 367 –68
spilosoma, 368 –70
altiplanensis, 368
ammophilus, 369
annectens, 369
bavicorensis, 369
cabrerai, 369
canescens, 369
cryptospilotus, 369
marginatus, 369
obsoletus, 369
oricolus, 369
pallescens, 369