Quest 1948 Eptesicus fuscus 2 May 18 Trunfo, 1700 ft. Baja California mumble mumble Shot one ♀ (No Emb., #199) yesterday evening at 7:00 P.M. Specimen was flying alone over small canyon (wash) bordered by brush. Others were obtained by Murray and Tevis. May 19 Same Location. 1♂ + 2♀ shot last evening between 7 and 7:30. The species was feeding low (about 15 feet off the ground) among mesquite and along road leading past camp. One female contained no embryos. The other was so badly mutilated that the skull had to be discarded and embryos could not be looked for. (#209, 210, 211). Others of the same species obtained by Murray and Dr. Benson. May 20 Same location. Two females shot yesterday between 7 and 7:30 P.M. (#218, 219). Neither had embryos. Bats were flying about 15 feet off the ground and up a roadaway bordered by scattered Mesquite and other trees and bushes. One circled my gun barrel several times before it finally flew to Murray who shot it. May 24 Buena Vista, 25± ft. 23°38'N, 109°41'W, Baja California mumble mumble Two females, one containing 2 emb., 4mm, shot last night at dusk as they flew up the roadway west of camp. They were flying at tree level (Iron- wood, Mesquite, Lunbori, etc.) and at the height of about 8 feet. Both chattered loudly when hit by shot from the half-loads.