M Brock 1955 Journal catalogued was one Thomomys bottae skull which was collected in May 1952 along Craymont Ave in Berkeley Alameda Co, Caly. Animal was found alive on a lawn. Also recorded was a Sciapanus latimanus skull which was removed from a specimen found in backyard of a home along Santa Clara Ave between Morton and Benton Street in Alameda, Alameda Co on 4-29-52. April 23 Sagchen Creek Basin ±6400 ft. 3 mi. NW Hubert Mills, Nevada Co. 15 steel traps, no. O, were set out in hope of catching a weasel. As an experiment, canned saitanines were used for bait. Traps were set out at 9:00 in mornings. When checked at 12:30, 2 traps had been disturbed while a third held a beechyi ground squirrel. Nothing was caught on other checks this day. April 24 Traps were checked in mornings. Nothing in traps except one Peromyscus. The traps have now been rebaited with parts from the ground squirrel caught yesterday. The traps were checked at noon and a downy (?) woodpecker had been caught in the same trap that the Peromyscus had been caught in. The traps were baited with more saitanine along with the ground squirrel meat. April 25 The traps were checked at 8:00 in the mornings and a weasel had been caught in the same trap that had caught the Peromyscus and the