Francis A Peek 1941 Zapus oreanus Jumping Mouse. May 24 Russian River State Park, Mendocino Co., California. Elevation 40 ft. Two caught in edge of meadow & brush next of camp about 15 yards from a creek. Brush was mainly thimble, salmon, & blackberry with some nettle. May 26 Elevation 150 ft. Female caught in high grass in run-way under Baccharis bush in meadow. Meadow gently sloped toward ocean (5°). Woodland surrounded it on north and east sides. When examining traps, I saw one near trap & it escaped hurriedly into blackberry tangle. This was at 7 o'clock in the morning.