crevices. All were easily taken with a flash light. On this vicinity there are three mine tunnels extendi 100 ft or more into the side hills, and all three within 1/4 mile of each other. No bats have been taken in one, only one in the second, and deepest, about (500 ft) and the remaining ten in the third tunnel. Th one opens to the south in a narrow canyon. The deep tunnel opens toward the north where snow never melts all winter. The tunnel whi more have been taken opens on an east slope where it gets sun morning sun.