Salt 1947 Journal Cottonwood Spring, Elev. 3000', Riverside Co., Calif. April 29 (cont.) think it is a species of Pipistrellus. Also caught a specimen of the omnipresent Uta stansburiana but let it go again. Caught two live specimens of Bufo (probably punctatus) in the moist ground at the base of the palms. Many more present. Their call is a high pitched trill. It started about 7:15 PM, when complete darkness had just begun. It is now 9:45 and they are silent although that may be due to the fact that we have been hunting them. April 30 got up and looked for birds in the immediate vicinity of the spring. The bushes and palms are alive with small birds, warblers, finches, and sparrows. Collected a Lincoln Sparrow there. Saw a Spinus p. psaltria but didn't succeed in collecting it. Spent the rest of the morning putting up the bat I shot last night. Mary and Vincent came back from a walk with two live chuckawallas they had noosed about 1/4 mi east of the spring. Spent the first part of the afternoon observing female costa hummers. and the latter half, putting up the SKIN of the Lincoln Sparrow. In the evening checked on the