Hoffmeister 1942 Itinerary May 21 Lone Pine Cr., 8200 ft, 9 1/2 mi. W 7 1/4 mi. S Lone Pine, Inyo Co., Calif. Drove in to Lone Pine, arriving at 1:30 p.m., and then continued up Lone Pine Creek, through the Alabama Hills, to this locality. We are camped at a U.S. Forest Service "camp" adjacent to Lone Pine Creek. In the immediate vicinity there is Pinus ponderosa, Abies concolor, Pseudotsuga taxifolia, Mountain mahogany, Water Birch, south-facing and Salix. On the adjacent canyon walls, there are, at an even higher elevation, piñon mixed with mountain mahogany, with a few yellow pines and firs, and even some mazanita. May 22 Set 25 traps (mouse) along a small tributary into Lone Pine Creek. Caught 2 Microtus montanus and 1 Sorex. 11 traps set particularly for chipmunks caught, during the night, 4 Peromyscus maniculatus. 3 Schuyler traps caught nothing. Shot a Citellus lateralis among some rocks near the roadway and a Tamiasciurus near camp May 23 Set 50 traps along the small creek (the same as of May 22). Left 25 out during the day yesterday (in which I caught 1 Russet- locked Thrush), and 25 additionally. Caught only 1 Peromyscus maniculatus in these 50 traps. They all were near the creek edge and in grass wherever possible. Of 3 Schuylers I caught a Citellus lateralis from a entrance hole beneath a cabin. Another Schuyler trap had disappeared. 10 traps set for chipmunks caught 1 Peromyscus maniculatus. 30 traps set on the higher south facing canyon wall opposite our camp, and at an elevations between 8800 and 9000 ft., caught 9 Peromyscus truei and 5 P. maniculatus. These were caught in an association dominated by piñon and mountain mahogany. However, some yellow