Palmer 1934 Reithrodontomys megalotis longicaudus Feb 27 650 ft., Dwight Way Hill, Berkeley, in, Alameda Co., California One ? taken in oat and raisin baited trap in Microtius runway on level top of hill. Runway in Puccinellia and Hordeum at base of Baccharus bush Mar 9 900 ft., North Fork of Strawberry Canyon, Berkeley, Alameda Co., Calif. One male taken here by F.Kale in oat baited trap in Microtus runway given to me. F.G.P #15. Mar 16 650 ft., Nth Side of Claremont Canyon, Berkeley, Alameda Co., Calif. Took one ? in oat baited trap set on top a large flat boulder. The surrounding area was mainly grassy with a southwestlyposure and gradual slope Caught another ? by the tail in oat baited trap set near the mouth of a burrow with a diameter of about is 1 1/2". Took the mouse home and altho it lost practically all its tail, it lived for four days. It ate oats, ye and drank water from an eye dropper. However, lettuce was not eaten. At sometimes during the night would be very restless, especially near morning, But was quiet thru the day.