Murray 1948 Microtus oregoni Aug 13 Big Sagoon, Humboldt Co., Calif. After 4 days of trapping in various habitats with only walnut bait, added oatmeal to all last night. Caught 1♀ in redwood forest - trap in salmonberry thicket bordering on a narrow patch of grass. Aug 14 Same location Out of 15 traps on second night in dense woods of alder and spruce, took 1♂. This was in a salmonberry thicket at the edge of the woods, and near grazed grass. 25 traps in another part of alder-spruce woodland had 1 (died). Was in a very moist, well shaded spot with a number of ferns and leaf mold. Aug 15 Same location Caught 1♀ in the same trap which caught a ♂ last night in the set of 15. Also had 1♀ in the other group in spruce and alder - moist clump of ferns and green herbs deep in the woods, Aug 19 Big Sagoon, Humboldt Co., Calif Set traps along old road with a mixture of spruce, hemlock and alder. Salmonberry, blackberry, thimbleberry undergrowth, with many ferns. Small streams crossed and furnished moisture. Caught 1♀,