Longmont 1939 Itinerary June 29 Crooked R. at Bear Cr. Peromyscus maniculatus 1σ 4♀ Perognathus parvus 2σ 3♀ All were caught in sandy soil among sagebrush or under junipers. Traps set in the rocks were not productive June 30 Crooked R. at Bear Cr. June 29 was spent around camp preparing specimens. In the afternoon, 1 Sciurus was caught in the sagebrush near camp. Numerous birds were seen: Turkey vulture, yellow warbler, king fisher, rough-winged swallow, red-tailed hawk, orion, tree swallow, and cliff swallow. In the late afternoon 65 traps were set, some along the lower slopes and up a gully among rocks and rather thick junipers. Specimens caught were: Perognathus parvus 2σ 3♀ Dipodomys ordii 1σ Peromyscus truei 1σ The Perognathus were caught mostly among the sagebrush, but one was caught under a juniper. The Dipodomys was rather high up in the gully