M.B.Richardson 934 Microtus mordax sierra 2 m 17 One individual caught and skinned this morning. Habitat was the willow thicket with tallon. They seem to burrow under the granit junk for protection. The willow are low growing 2' high and are scattered about in the open areas in small clumps. uly 6 Tule River, 5mi E Porterville. Tulare Co, California. Two sub-adult specimens were found in the grassy river bottom under a large sheet of gasvanized iron! The net for these two individuals was saved. ly 18 Quaking Aspen Meadow, 7500 ft. Tulare Co, California. Nine specimens have been taken in the past 4 days in the bacon salted traps set along the meadow. The grass of the meadow is not on ("light