Quast 1948 Antrozous minimus April 26 Mision la fortuna, 2350 ft, 2 mi N Laguna Seca de palmitos, Baja Calif: several females and one male caught by this group in the mine last night and this morning. Of these I put up one male and one female (#95,96). Bats were well within the caverns in places completely protected from light. Two of the females had one young apiece, clinging to them. Bats were caught at 10:30 last night and at 6:30 this morning. Hanging nearby were Choeronycteris mexicana. April 30 Mission San Ignacio, 500 ft, Baja California 10:30 P.M. One male captured just now by Tewis in stone room with arched stone ceiling. Same room in which Macrotus californicus are seen hanging every night. It is the only bat of this species seen here so far. Put up by Murray. May 25 El Carrigalito, 1400 ft, 5 mi N Santiago, Baja California 4 caught in unfinished two story building last night at about 9 PM (#258-261 incl). They were found hanging in the corner of the ceiling of a 2 story stair well. This building is a very popular place for Antrozous, six or eight being seen in the second story ceilings every night. They are usually clustered together in a corner, and the more popular spots are stained brown from the dirt on their fur. Their droppings