Cogs well 1950 Eremophila alpestris June 22 valley just E Boca Res., 5600 ft., Nevada Co. Calif. - many (luts p.m.) seen o heard singing in the open sagebrush, auto- lope brush o grass on the "flat" near the reservoir. June 25 Sierra Valley, 4900 ft. +, Silvera Ounas Cos. Calif. - very (a.m.) common along roadsides in sagebrush areas (higher, dry portions of broad valley). Many were singing from the air or on fence posts. In some stretches of the road N of Battle about every 5th or 6th fence post had a lark on it. June 28 E of Boca Res., 5600 ft.; Nevada Co. Calif. - a NEST con- (a.m.) taining 4 young in pin feathers was found here, being placed in a depression in bare ground with 1/3 to 1/2 inch desert pavement stones o some sparse grass o a few small lupines right nearby. The general site is in the open about 5 feet from a 17 ft. high sagebrush bush in an area less than 15% covered with same. This is one of the sparser, grassier sections of a broad flat, mostly typical "sagebrush" vegetation. Photograph (50 - - ) taken of the nest o young. Many adults are still about; songs heard. July 10 " " " " " " & 1 bird (a.m.) watched as it sang from 250+ ft. up in the air for over 2 minutes. The nest noted above is now empty, the young probably having flown. July 11 one adult I seen carrying a pale, smooth cater- 4:30 p.m. pillar to a nearly grown fledgling near this nest. The young one was well feathered with streaked breast & short tail, but could fly very well.