Palmer 1935 Reithrodonomys megalotis Sugarloaf Peak, 1300 ft., 1 mi. E Stadium, Berkeley, Alameda Co., Calif. Feb. 27 Caught 3 in 51 traps. All were B. One was taken on a rather steep south facing hillside in Artemisia. This Trap was at least 100 ft from any glass. The other two were taken in short grass on the W side of the peak. One was taken in a Microtius runway. The other was caught in a trap set by the opening of a small burrow about 1 in. in diameter. From this burrow there was a series of rather poorly formed small runways extending out into the grass.