Murray 1948 Journal June 14 Mina Estrella Polar, 600' ft., 3 mi E Pescadero were flying, mostly deep in the shaft but some at my level. There was also a large space on one side of me and a broad crack above on the other side. By patiently waiting for a chance to swing, was able to net a few, but they flew very rapidly and skillfully, weaving in and out among the posts. There were frequent loud slapping sounds from their hitting either the sides or posts. Several times two bats appeared to slap wings together. At first they avoided the light from my flashlight; later seemed to ignore it and flew in greater numbers through the beam and all around me. Netted 4♀, 1♂, all a bright orange color. I could tell that a large percentage of the rest were also bright, as they flew by. They could easily have all been and only been distinguishable when the light was right—this in contrast to the great majority of those at Las Cuevas and El Chorro on the other side. June 14 Palmar del Medio, 4 mi ESE Pescadero Drove to the second mine after some difficulty in finding the road—again in the hills. This one was a horizontal