Quest 1948 Myotis velifer May 17 Trunfo 1700 ft. Baja California see species account of Myotis volans for May 17, same location. May 20 Same Location. One ♀, No limbs, (# 217) shot last night at 5:15. Bat was flying up roadway bordered by Mesquite and bushes 50 yards south of camp. May 24 Las Cuevas, 23°34'N, 109°39'W, Baja California From five-hundred to one thousand seen in first cave visited this morning. Were near Noctules mexicanus (see Journal). May 25 El Carregalito, 1400 ft. 5 mi N Santiago, Baja Calif. Several netted by Tevis as they flew over water tank at dusk last night. June 7 Santa Anita, 250-ft, Cap District, Baja California A group of 100-200 seen yesterday afternoon in ceiling corner of unused house in town. Dr. Benson could several of which I put up one male # 291. June 5 San Jose del Cabo, Baja California Three caught by boys and brought to Dr. Benson last night. Were seen feeding after 7 P.M. in streets, around the trees, and close to the buildings in town.