Natfield-1934 Col. R. Yzmi. N Calif.-New. Movement 50 ft., Clark Co, New. January 28, 1934 western robin, great blue heron, Phainopepla, marsh wren, house wren, cactus woodpecker, gilded flicker, 2 shoveller ducks, and an Albert towhee. Set out 75 mouse traps on mesa, primarily in hopes of catching Perognathus January 29, 1934 Caught in mouse traps- 1 Perognathus fornicatus 10 Dipodomys merriami Caught in gopher traps- 1 male. Reset all setting of gophers traps Birds seen while making resets- Sage thrasher, western robin, verdin, white crowned sparrow, great blue heron, mud-her, and Phainopepla. Spent most of day putting up gophers, and in evening went over like again. Had caught two, both young and one alive. Placed the live one, a female sub-adult, in a cardboard box for further Observation. It was very active, and extremely vicious. It had been caught by the right hind leg, and, when greatly excited, persisted in biting that leg, crunching the bones of the foot until the blood flowed freely.