Frances A Park 1941 Promyscus maniculatus May 17 Russian Gulch State Park, Mendocino Co., California - Elevation 46 ft at camp. Male caught in museum special west of camp on edge of riparian habitat bordering grassland. Riparian habitat plants were thimble berry, bracken, Cquiicum, salmon berry, and red alder. which formed a dense growth along a creek. Ground was wet. May 18 Russian Gulch State Park, Mendocino Co., California - Elevation 300 ft. Male caught in low growth of Cupressus pyrnaca, huckleberry, bracken (green and dry) and a few small pines. Plants not crowded and open to sun and wind. This area known as Mendocino pine barrens. Bishop pine scattered over flat lands with flooring of Rhododendron, huckleberry, manzanita, Cupressus pyrnaca, and small pines (sp?) May 20 Russian Gulch State Park, Mendocino Co., California, Elevation 40'. Three caught at base of hill in heavy underbrush of blackberry, nettle, thimble berry at the edge of a semi-meadow area on the other side of which was a meadow then a creek. Ground here very wet. Runways everywhere through the grass. Heavy matting of old dried grass on the ground. Noted fresh grass clippings in the runways. Two of the specimens were male and one a pregnant female with five 15 mm. embryos. The far she has only 2 well-developed nipples to feed her oncoming young. May 22 Eleven males caught east of camp in brush beside road. - Cquiicum, bracken, thimble berry, salmon berry, nettle