D. J. Hoffmeister 1939 Strawberry Canyon, Berkeley, Alameda Co., Calif. It was overcast and beginning to rain. Along trail at bottom of canyon leading to pool, 3 traps of 5 remained, 1 was sprung with fresh feces (apparently of Peromyscus); other 2 had 1 Peromyscus truei and 1 Peromyscus californicus. On open uphill slope & along fence of pool between path & roadway : 3 traps in open : 1 sprung, other un sprung, & last with Reithrodontomy's megalotis; 2 traps in thickets along fence : 1 Peromyscus. 5 traps along roadway : 3 Peromyscus and 1 Microtus. Specimens saved: Peromyscus truei (2♂), Peromyscus californicus (1♂,1♀), Reithrodontomy megalotis (1♀), Microtus (1♀). Feb. 10 Mouth of Strawberry Canyon, Berkeley, Alameda Co., Cal. Last evening, set 12 live traps (Benson type) south of the veterinary science bldgs. as illustrated on following page. Position of traps indicated by numbers taken from number of trap. The Reithrodontomy's was taken under a log (aside of it) about 10 ft. from creek. There was no chaparral within 20 feet at least of this trap. The Peromyscus truei was taken at some distance from the creek under a low shrub (?) which was more or less isolated from nearby chaparral. Both the Reithrodontomy's