Mayhew 1958 Mar. 30 Journal 64. Colorado and Mojave Deserts, Calif. This morning near our campsite birds were much in evidence. Black-chinned sparrows were rather abundant and quite vocal early. By 8 A.M. they had stopped singing, however. Their territories may be rather small, apparently, since several could be seen in the tops of perennials & heard singing in a remarkably small area (less than 5 acres). Other birds seen at this site were: rock wren, Costa hummingbird, Cassin's kingbird, house finch, ash-throated flycatcher, Audubon's warbler, phainopepla. The campsite is in a dry wash along the northern base of the Bristol Mountains. We left camp at 8:30 A.M. We drove along a gravel road toward Kelso until we reached a road turning left toward the Kelso sand dunes. The road is 8.5 miles south of Kelso. We spent considerable time at the dunes, after driving 4.9 miles from the road to Kelso to the south side of the dunes. Large numbers of wild flowers were seen along the road from last night's camp to Kelso. We left Kelso by way of a road that turned due west at Kelso, went through a pass toward the Devil's Playground, then turned north on a dirt road toward Baker just east of the