Cogswell 1950 Chordeiles minor 5 July 24 E. side Boca Des, 3600 ft, Nevada & Calif - In mid. a.m. (bright sunshine) one was flying over the sagebrush flat (see July 11) uttering the loud call described above (July 7) for a ?. Most individuals birds when out in the daytime are not so vocal. July 26 8800 ft, 2 mi. S, 3/4 mi. E Mt. Rose, Carson Range, Washoe Co. Nev. A ? was flushed (with diversion any display similar to those noted above) from stony ground under sparse whitebark & lodgepole pines on N. facing slope just over the Slide Mtn. - Mt. Rose saddle. Time was not available to search for the NEST, but another observer, (R. Hayes of Detroit, Mich.) (Audubon camper) had seen it previously & said it contained eggs. July 30 Sugar Bowl Lodge [see p. 4] - 8+ over in evening Aug. 3 6 + over meadow m front of lodge just after 7:15 p.m. P.S.T. Aug. 3 - 7250 ft, 3/4 mi. N Donner Pass, Nevada & Calif The eggs in the July 6-7 NEST hatched some days ago (reported by Audubon campers), about 6:00 p.m. (P.S.T.) tonight (approx. sundown) some 18 persons accompanied me to the area, & after a half-hour search we found the two DOWNY YOUNG huddled at the base of the sloping granite boulders which form the Sierra crest. They were about 100 ft. from the nest site, which had an egg shell lying beside it yet. I banded them #1 34-249684 & -685; one of them gave a low wheezy sound when handled, but was quiet when released. The ? displayed at our approach, but then was seen no more.