Part 21

T Tamiasciurus hudsonicus, 39 Tassel-eared squirrel, 31 Thomomys talpoides, 75 Trade rat. See Bushy-tailed woodrat. Transition Life Zone, xiii

U Uinta chipmunk, 44 Upper Sonoran Life Zone, xiii Ursus horribilis, 117

V Vagrant shrew, 119 Vole, mountain, 58 Vulpes fulva, 87

W Wapiti. See Elk. Weasel, least, 106 long-tailed, 106 short-tailed, 105 Western jumping mouse, 59 White-footed mouse, 57 White-tailed deer, 13 White-tailed jackrabbit, 24 White-tailed prairie dog, 51 Wolf, gray, 89 Wolverine, 95 Woodchuck. See Yellow-bellied marmot. Woodrat, bushy-tailed, 60

Y Yellow-bellied marmot, 53

Z Zapus princeps, 59

Transcriber’s Notes

—Silently corrected several palpable typographical errors.

—Retained publication information from the original source.

—In the text versions, included italicized text in underscores.