Howell, T.R. 1948 1949 Twin spring, Medoc Co., Calif. ft., 38 mi. NNW of Alturas, May 20 (cont'd.). This black one followed above me off and on for the whole hour, screaming and occasion- ally diving towards me, pulling up about 40 ft overhead, though. The other bird was the usual light color, and I have seen it only once. Other birds noted were Robins, House Wrens (singing vociferously), Mourning Doves, Audubon Warblers, Black-headed Juncos, Mt. Chickadees, Steller Jays, Purple (Cassin?) Finches, Chipping Sparrows, I startled one deer, a doe, out of a meadow, and golden-mantled ground squirrels and chipmunks are abundant. May 21 sometime during the middle of the night I was awakened by a terrific racket as though someone were trying to chop up the shack with a hand ax. I turned the flashlight on, got out of my sleeping bag and went over to where the noise came from; it was a porcupine gnawing on the floor. It began to get light at around 4:00 A.M. but I dozed off until 5:45. By a little after 6:00 I was down at the part of the meadow where