Bolivar, JT 1942 Sorex sp. Apr. 2 Berglund Ranch, 1450 ft., 5 mi. N Corralitos, Santa Cruz Co., Calif. One specimen of doubtful sex was taken in a line of 146 traps baited with a mixture of peanut butter and rolled oats. This shrew was trapped on the upper edge of a strip of chaparral extending around a north-facing hillside. The chaparral consisted largely of Baccharis. Face of the hill above the chaparral is covered with 6" grass, dry Lotus sp. and occasional small herbaceous plants. Soil is sandy and powdery. Apr. 5 Mud Creek, 800 ft., 3 1/2 mi. SW San Juan, Monterey Co., Calif. Two were caught in an open stand of live oaks with a dense undergrowth of wet chaparral composed of prairie, bracken, Artemisia, Baccharis, blackberry, elderberry, snowberry, coffeeberry, and monkey flowers. One was caught in 87 traps set along a fence at the base of a hill and one in 27 traps set on the hillside. Apr. 9 Muddy Creek, 1000 ft., 1 mi S Chualar, Monterey Co., Calif. One was taken in a line of 127 traps set along a wood road on the flat in a stand of Artemisia californica with scattered Baccharis sp. and Salvia mellifera. This specimen was clearly a male, possessing a pair of enlarged and unmistakable testes.