Moore Microtus mordan bernardina July 29, 1929. 40 One dead individual found in the spring at Bluff Lake 7400 ft. San Bernardino Mts., San Bernardino Co. Calif. July 30, 1929 A set of forty mice traps in the wet, lower end of Bluff Lake meadow, San Bernardino Mts., San Bernardino Co. Calif., baited with small pieces of bacon for shrews, caught four Microtus mordan bernardina. Two of the specimens were adult males, one an adult female, and the other a juvenile female. All of the specimens were taken in the grass at the lower end of the meadow, in close proximity to water. August 2, 1929 Eleven mice traps set along a small brook running into Big Bear Lake at the dam, 7000 ft., San Bernardin Mts., San Bernardino Co., Calif. cought two adult meadow mice. A single individual was also taken about three hundred yards from any water, under a buckthorn bush.