Marshall, 1939 General Comment Juni E Vinton, f. Phumas C. Calif., July 31 Arid Upper Sonoran - sage brush in a valley - slopes up to yellow pine timber on ridges to N & S. Arrived after dark & set 60 traps by by moonlight. Sandy soil. Started from camp in middle of valley & set in a rhomb - 15 across the flat valley, 15 up to the rocks of the hill to the N 15 along that hill & 15 back to camp. Set at 25 yds. reg. intervals by moonlight - most of the traps I placed near bushes or under them & always in my foot markers. Bait=oats. Heard Horned Owls calling from telephone poles along N.N. track. Got 17 Dipos (merrim) August 1. 10 Peromyscus, one Eutamias from near the rocks. The Dipos Peromyscus came from the sandy valley floor, most of the Peromyscus from the rocky hill. Many tracks. Eutamias #700 ▲. Saw Sage thrasher & Brewer Sparrow(?).