in Davis, 940. 5). Dec. 24. Breaks in the irrigation ditches; his job is to trap them out (he works for U.S. Gov't.). Early evening showed clearing sky with strong wind. Later clouds disappeared, sky clear, no wind. Weather cool. Ran short line of rod traps set by Sibley and Chattin in some cut bamboo along the ditch. They caught 3 Signodor, Sibley cought 2 in one trap. Birds noted in or near camp today: American Egret, Red-tailed Hawk, Verdin, Cactus Wren, Gila Woodpecker, Red-shafted Flicker, Phainopepla, Albert Towhee, Ruby-crowned Kinglet, Western Quetzalcoot, Gambel Quail, Brewer Blackbird, California Shrike, Western Meadowlarks, Western Mocking- bird, Horned Owl, Mourning Dove, Roadrunner, Marsh Hawk, Juniper. Dec. 25. Skinned a.m. Went to mine shaft 3 miles north of Potholes and hunted bats. The three of us obtained about 75 Macrotus californicus out of a population of several thousand. Set trap line in a mesquite-ironwood wash 2 mi. n.w.e. of Potholes. Skinned after dark. Dec. 26). Picked up trap line NNE Potholes. Set new line of traps on a jagged boulder strewn hill near to Tagma Dam. Vegetation sparse, Returned.