Murray 1948 1 Antrozous mimus Apr 26 Mina La Fortuna, 2350ft, 2mi N Laguna Seca Chapala, Baja Calif. Caught 8 last night in the tunnels of the mine, hung up. There are several or inclined shafts which lead down to a number of horizontal tunnels on two levels. (See journal) Highest temperature was 72°, in the lowest tunnel. Apr 30 San Ignacio, 500ft, Baja California Dr. Benson caught one in a room of the mission with stone walls and roof during late evening. May 24 El Carrizalito, 1700ft., 5 mi N Santiago, Baja Calif. Found them numerous in the large brick building here, which has all the walls completed but doors and windows missing. First saw a clump of six hanging at the top of an open doorway downstairs, then several hanging in an upper corner of the large stairway well. All of these were sluggish and reluctant to fly even with a net over them and scrapped against them. After being stirred up they flew around the halls upstairs and individuals were seen in 3 downstairs rooms. The two corners over the stairway seemed to be favored as hanging places and several times bats returned to rest there. In all I caught