Murray 1948 Journal May 30 El Chorro, 700±ft., 2mi W Agua Caliente. femorossacca, flying fast and with narrow wings. They also had a hunched forward appearance to the shoulders. The other large bats were Dasypeters, flying a little slower and with broader wings. Later on some of the bats began to fly back up the canyon. Also a number of them circled around over the pool at the dam, mixing with the very numerous violet-green swallows. Shot 2♀ Tadarida femorossacca and 2♂,12 Dasypeters ega. May 31 Santa Anita, 250±ft., (Lapd District), Baja Calif. Put up our specimens and left after lunch. Should mention that Hylaregilla are very common on the muddy and grassy area which drains the hot springs throughout the day. Also saw several Bufo punctatus. Drove to Santa Anita over the usual dry brushy terrain and sandy soil. Here we found a group of ranches and one tropical looking part of dense palms, bananas mesquites, and other green trees. There was a lusher growth beneath of sudan grass or something similar and through the whole thing ran a small ditch of water, supposed- ly the only open water in the vicinity. Bats began flying at 6:40 and the first