Hoffmeister 1947 Itinerary 1 1/4 mi. N & 2 1/2 mi. E Benton Station, Mono Co., Calif. but caught nothing. At 8:50 p.m. (7:50 pm std time) I caught an byhawk. adult Scleropus. It was dusk at this time and was late enough that I thought the animal might be a mouse. June 18 Only set out 35 traps last night as we plan to break camp today. These traps were set in the Artemisia above camp. There are a few pinyons scattered among the Artemisia, fewer mountain mahoganies, and 1 juniper. These traps caught 5 Perognathus parvus, 3 (2 yg.) Peromyscus truei, 1 Lerinitus and 4 P. maniculatus. 4 traps set around the grub boxes in camp caught 1 Perognathus parvus and 2 Peromyscus maniculatus. This later Perognathus had pitch on its belly (underfur) and feet. I don't know if this mouse got the pitch off the trap or whether it had been in a pinyon or among some recently cut pinyon branches. The grub boxes were beneath pinyons. Beneath these pinyons and around the food boxes die caught Perognathus parvus, Peromyscus truei, Lerinitus, and P. maniculatus. 3 Schuyler traps left out overnight caught nothing. Drove in to Bishop and thence back to Benton where we obtained information concerning Glass Mtn. Continued along the road toward Levining slightly (1/4 mi) past (west) of Gaspipe Spring. At this point there is a