Murray 1949 Microtus californicus Aug 16 Big Saqoon, 550 ft., Humboldt Co., Calif. Had traps under a barn and adjoining platforms, with surrounding closely grazed dry grass pasture (see journal). Caut 1♂, 1♀. Discard. Area was dry and soil fairly solidly packed Aug 30 4½ mi N, 1½ mi E Willow Creek, 800 ft., Humboldt Co., Calif. Had traps set in a sort of island formed by a partial split in the flow of Horse Pinto Creek. There was tall, fairly dense, dry grass, rasberry thickets, with big maples and alders giving moderate shade. Found no runs. Caut 1♂, 1♀. Had had traps there the previous night with no Microtus. Aug 31 4½ mi N, 1½ mi E Willow Creek, 800 ft., Humboldt Co., Calif. Trapped on flat just above Horse Pinto Creek, mostly in clumps of grape. Had a few traps in green grass and herbs along some standing water from a small stream flow. Caut 1♂, 1♀ out of 4 or 5 potential chances. Sept 3 Same location Traps ran up the edges of Horse Pinto Creek, hitting mainly grassy banks and fleats of green or dry grass. Lots of blackberry cumps. Took 1♂ in bank of green grass, and another ♀ in dry patch of Ribes in end two feet beyond any to grass.