Journal Hefner, M.S. 1975 26 April (cont.) Various locales through Walker Pass, Kern Co., California. 1700 - Arrived in Freeman Canyon (Walker Pass) and set out 100 live traps approx. 3/4 mi. from the Summit. This locality had thick clumps of Joshua Trees (Yucca), and a species of Atriplex (spinosa?) was the dominant shrub. There were a few Chrysothamnus bushes with very-few larvae. Fine sand to sandy gravel. Dane noted a large Buteo (Red-tail or Rough-legged?) nearby. We drove to Walker Pass summit (5240') where we set 100 traps .15 mi. E. of Summit. This locale' was on a sloping hillside S. of the highway. Few Pinon Pines, mostly Artemisia tridentata. Fine to coarse sand. 1800 - Drove to a point ~ 1.1 mi. by road from the summit (E. of summit) where we drove off the road to the South and set 60 traps in a predominantly Artemisia tridentata - Atriplex community. There were a few Chrysothamnus, few Fine to coarse sand. Clumps of Yucca brevifolia surrounded the field in which we set our traps. Very windy evening. Cold. Full moon rose ~ 2100. 27 April Various locales through Walker Pass, Kern Co., California. ~7000 - Arose and checked traps: 0.15 mi. E. of Walker Pass Summit, 11 mi. W. Inyokern, 5100ft. Kern Co., California. 12 Peromyscus maniculatus 4 P. boylii