Mayhew 1957 Mar. 9 Univ. Calif. campus, Riverside, Riverside Co., Calif. Seen today were: Red-winged Blackbird, California Jay, House Finch, Killdeer, Anna's Humming- bird, White-crowned Sparrow, Audubon Warbler, Violet-green Swallow, Brown Towhee, California Quail, Song Sparrow, Mourning Dove, Green-backed Goldfinch. Mar. 29 East side of Salton Sea, Imperial Co., Calif. The Zoology 146 field trip camped by a stream draining into Salton Sea approx. 16 miles south of Mecca, Riverside Co., Calif. Mammal traps were set and a number of Peromyscus sp. were caught and released. A breeze was blowing early in the evening, but this disappeared before we went to bed. Mar. 30 This morning we searched along the stream and across some of the open desert near the sea. Birds seen near the stream were: Cliff Swallow, Tree Swallow, Violet-green Swallow, White-throated Swift, Nighthawk (sp?), White-crowned Sparrow, Coot. Birds seen on lagoons near the sea (in addition to those already mentioned) were: Avocet, Snowy Egret, Cinnamon Teal, Scaup (sp?), Redhead, Canvasback, Long-billed Dowitcher, Killdeer, Curlew (sp?), Lizards captured in the area were: Callisaurus, Uta (sp?), and Cnemidophorus tigris. In the sand dunes S.E. of Niland, Imperial Co., Calif., were seen Mourning Doves. Lizards caught here were Uma rufopunctata and