300 
Index 
Vole, Hayden's, loi 
Vole, Mountain, 103 
Vole, Pigmy, 100 
Vole, Preble's, 104 
Vole, Saguache Meadow, 95 
Vulpes, 236 
Vulpes macrourus, 237 
Vulpes velox, 239 
W 
Wapiti, 24 
warreni, Neotoma albigula, iii 
warreni, Sylvilagus auduboni, 52 
Warren's White-throated Wood- 
Rat, III 
Water Shrew, 266 
Weasel, Dwarf, 197 
Weasel, Long-tailed, 195 
Weasel, Mountain, 196 
Western Bat, 278 
Western Mink, 199 
Western Silvery Mole, 260 
Western While-tailed Deer, 19 
Western White-tailed Jack 
Rabbit, 37 
Western Woodchuck, 145 
White-tailed Chipmunk, 165 
White-tailed Deer, Western, 19 
White-tailed Jack Rabbit, 30 
White-tailed Jack Rabbit, Wes- 
tern, 37 
White-tailed Prairie Dog, 154 
Wolf, Gray, 241 
Wolverene, 203 
Woodchuck, Western, 145 
Wood-Rat, Arizona, 120 
Wood-Rat, Bailey's, iii 
Wood-Rat, Baird's, 109 
Wood-Rat, Cinnamon, 120 
Wood-Rat, Desert, 115 
Wood-Rat, Gale's, 113 
Wood-Rat, Warren's White- 
throated, III 
wortmani, Callospermophilus, 
169 
Wortman's Ground Squirrel, 169 
Wyoming Cottontail, 49 
Wyoming Spermophile, 156 
Y 
Yellow Deer-Mouse, 132 
Yellow Pocket Gopher, 85 
Yellow-haired Porcupine, 58 
Young's Bat, 280 
yumanensis, Myotis, 273 
Z 
Zapodidae, 61 
Zapus, 61 
Zapus hudsonius campestris, 62 
Zapus princeps, 63 
zibethicus, Fiber, 106 
