Quest 1948 Corynorhinus May 26 El Carrizalito, 1400 ft. 5 mi N. Santiago, Baja Calif. Three netted by Tevis last night at late dusk as they flew over an open water tank on the side hill west of camp. He said that all three were caught in as many minutes, none being caught beforehand or after that last night. May 27 Same Location One netted by Dr. Benson last night at dark (about 8:15 pm) over water tank 100 yards west of camp. Specimen was accompanied by several others, but no others were caught. May 28 Same Location One netted by Tevis last night at 8:40. Two were seen at once over the upper water tank but the two of us caught only the one. One was also netted by Muray about a half hour earlier, down at the tank below. June 26 Arroyo San Luis, 800+ ft, 9 mi W. Calmell, Baja California They caught in horizontal tunnel of mine here (see Journal pg 138 for description) by the group. The specimen I caught #440 was a female containing no embryos. It was procured about half way down the tunnel and was hanging face downward (against the rock) from the jagged rocks of the ceiling [about 5 1/2 feet high]. Its ears were tightly curled against the side of its head and it was in a torpid condition when caught despite the fact that two of the group had passed beneath it with flashlights and equipment. Another was peeled off the ceiling by Dr. Benson as