Cogswell 1949 Zapus trinotatus - 2 Big Lagoon, Humboldt Co., Calif. Aug. 13 Caught two in a line of 51 traps set along stream & up adjacent slope in redwood forest: ♂ - 8 ft. from stream on ground amid moss covered boulders & logs which are topped with Oalis Polystichum minimum, 60-80% Red. wood canopy overhead. Specimen not saved. ♂ - 30 yards up a NW-facing slope from stream, amid Polystichum minimum & other small semi-shrubs on a substrate of Redwood twigs. About 50% Redwood canopy overhead. Caught by tail: Kept alive by Dr. Pearson. Aug. 14 ♂ caught in trap set on mossy log among ferns & salmonberry on NW facing slope about 30 yards from stream & under 80% Redwood canopy. A hole was eaten behind the left ear, & the specimen was not saved. Aug. 15 ♀ caught in trap set under edge of Rubus sp. & other bushes along old, grassy logging road about 10 ft. wide (near Ritcher Creek).