Palmer 1934 General Account. Mar 14 600 ft, North side of Claremont Canyon, Berkeley, Alameda Co., Calif. Set 10 traps on south facing hill- side. 7 on grassy part and 3 in a gully where there was lots of Poison Oak, Baccharis and Artemesia. Traps on hillside were not sprung but took two Peromyscus true gilberti in the brushy gulch. One 8 and one 9 (#17). Set 2 rat traps in mouths of old squirrel holes. In one of these took 3 Perognathus c. californicus (#16). The hole was about 3 in diameter and fresh dirt in front of the entrance indicated recent work altho the mouth of the burrow was choked with weeds.