Mayhew 1959 Journal 45. Apr. 30 5mi. N. W. of 1000 Palms, Riverside Co., Calif.: and grasshoppers were the only arthropod I saw active in the wind. We stopped looking for animals at 0945. We reached UCR at 1105 after a trip of 105 miles. May 2 UCR campus, Riverside Co., Calif. This morning the field zoology class + I walked over the east side of the campus from 0830 to 1100. During this time the following species were seen: Mourning dove Brown towhee Calif. quail House finch Cliff swallow Red-shafted flicker Sparrow hawk Anna's hummingbird Song sparrow Bush-tit Vaux swift Violet-green swallow Tree swallow Pileolated warbler Red-winged blackbird Cowbird Killdeer Ariz. hooded oriole Costa hummingbird Western tanager Bewick wren Lesser goldfinch Nashville warbler Black-headed grosbeak Bullock's oriole Ash-throated flycatcher Mockingbird Sage sparrow Black-chinned hummingbird Crow Citellus beecheyi Microtus sp. Sceloporus occidentalis Lepus californicus Sylvilagus audubonii Uta stansburiana (Wren-tit heard but not seen.)