Murray 1948 Journal May28 El Carrigalito, 1400ft., 5 mi N Santiago, Baja Calif. again. Almost all came in alone, a few in pairs. Some drank early, then were inclined to fly high. Often the same bat would come by in exactly the same place several times (as many as 6), circling back somewhere in the darkness. In general they were more wary tonight, and often turned away before coming into the light or flew across above the light or behind me. Caught 4♀ Pipistrellus hesperus (Kept 1), 2 Myotis californicus, 1♂ Myotis velifer, 1♂ Eptesicus fuscus. Took the last pipistrelle at 9:00. There are many very young Bufo punctatus at the pool while it is still very light each night. They seem to disappear well before dark. The older toads arrive at about 7:25, almost all at once, though did not sing much for another 15 minutes. Then began a loud chorus. May29 El Chorro, 800±ft., 2 mi W Agua Caliente (Cape District) After lunch we drove to Agua Caliente and then west past some prosperous looking ranches to the dam from which water supplies the area. Here too is the warm spring for which the town was named. Small concrete boxes now hold the water which is comfortably warm. The dam holds a pond of about 60 by 120 feet, and allows 90