Weston 1946 Journal July 1 - Quail Spring, Joshua Tree Natl. Mon., San Bernardino Co., Calif. Snap Traps. Wade put his up in the rocks on a rocky slope near camp, I placed mine around clumps of catclaw in the sandy soil in the bottom of the valley. While we were doing this Dr. S. went up to the spring and strung thread (and wire) across it 6 or 8 times to try and catch bats in the evening. Back at camp we ate dinner and then went up to the spring to wait for the bats. On the way up there I shot a Lepus californicus but did nothing with it as it was in very poor condition, pelage and all. We remained at the spring from about 6 to 8:30 p.m. The first bats to appear were Pipistrellus. These appeared singly until at times there were 30-40+ flying about in the air over the water and vicinity. They would flit down to drink, a few hitting the taut lines. A few fell into the water momentarily only to take off. To catch these we had to hit them with a stick while they were still in the water. The bats were such slow fliers that when they did hit a thread th and flat fell in they could take right off. 15-18 Pipistrellus were caught. With these we caught 2 Myotis. About 8 p.m. larger bats began to appear of which