298 
Index 
Procyon lotor, 219 
Procyonidae, 218 
Pronghorn, 13 
Prototheria, 2 
Putorius, 192 
Putorius arizonensis, 196 
Putorius longicauda, 195 
Putorius nigripes, 194 
Putorius streatori leptus, 197 
I 
quadrivittatus, Eutamias, 173 
quadrivittatus animosus, Eu- 
tamias, 174 
R I 
Rabbit, Great Plains Jack, 41 
Rabbit, Rocky Mountain Snow- 
shoe, 38 
Rabbit, Texas Jack, 43 
Rabbit, Western White-tailed 
Jack, 37 
Rabbit, White-tailed Jack, 30 
Raccoon, 219 
Rat, Brown, 138 
Rat, Mountain, 116 
Red-backed Mouse, Colorado, 
102 
Red Bat, 281 
Red Fox, Western, 237 
Reithrodontomys, 121 
Reithrodontomys dychei nebra- 
scensis, 122 1 
Reithrodontomys megalotis, 123 
Reithrodontomys montanus, 123 
Related Chipmunk, 179 
richardsoni, Perodipus montan- 
us, 76 
Richardson's Kangaroo Rat, 76 
Ring-tail, 220 
Roaming Pocket Gopher, 79 
Robber Coyote, 245 
Rock Squirrel, 162 
Rock Squirrel, Utah, 163 
Rocky Mountain Cottontail, 47 
Rocky Mountain Cougar, 256 
Rocky ]Mountain Jumping 
Mouse, 63 
Rocky Mountain Marten, 201 
Rockv Mountain Snowshoe 
Rabbit, 38 
Rocky Mountain Spotted 
Skunk, 216 
Rodentia, 28 
Rowley's Deer-Mouse, 134 
rowleyi, Peromyscus boyleii, 134 
rufinus, Peromyscus manicula- 
tus, 128 
S 
Saguache Meadow Vole, 95 
San Luis Pocket Gopher, 84 
saxatilis, Ochotona, 54 
saxatilis, Spilogale gracilis, 217 
Say's Bat, 275 
Say's Ground Squirrel, 166 
Scalops, 259 
Scalops aquaticus machrinus, 
260 
Sciuridae, 144 
Sciurus, 181 
Sciurus aberti, 183 
Sciurus aberti concolor, 184 
Sciurus aberti ferreus, 184 
Sciurus aberti mimus, 183 
Sciurus fremonti, 185 
scotti, Urocyon cinereo-argen- 
teus, 235 
Scott's Gray Fox, 235 
Sheep, Mountain, 9 
Short-tailed Grasshopper Mouse, 
126 
Shrew, Dobson's, 264 
Shrew, Dusky, 264 
Shrew, Dwarf, 265 
Shrew, Masked, 262 
Shrew, Water, 266 
Silver-haired Bat, 277 
similis, Sylvilagus floridanus, 45 
Simplicidentata, 56 
Skunk, Arizona Spotted, 216 
Skunk, Great Basin Spotted, 217 
Skunk, Long-tailed Texas, 211 
Skunk, Northern Plains, 209 
Skunk, Prairie Spotted, 214 
Skunk, Rocky ]\Iountain Spot- 
ted, 216 
Snowshoe Rabbit, Rocky Moun- 
tain, 38 
sonora, Lutra canadensis, 190 
Sonora Grizzly Bear, 223 
Sonoran Otter, 190 
Sorex, 261 
Sorex obscurus, 264 
Sorex personatus, 262 
Sorex tenellus nanus, 265 
Sorex vagrans dobsoni, 264 
