Cogswell 1950 Passerella iliaca 2 June 30 Big Bend Camp Ground, 5800 ft., on S. Fork Yuba R. Placer Co., Calif. - 1 pair carrying food to 2 young less than a week old in a stick & rootlet nest placed in dense branches of a Ceanothus cordulatus bush just below the leaf canopy. The ♂ sang several times from near a Jeffrey pine nearby. The spot is a small opening along entrance road into the tall, dense forest of the camp area, with river a few hundred feet downslope. There are few shrubs except on the slope toward the river. July 9 Lake Valley, 6250-6500 ft., S of Lake Tahoe, El Dorado Co., Calif. Several heard or seen in semi-arid Jeffrey's lodgepole pine forest with much manzanita, Ceanothus, & other shrubs mixed. These sparrows are apparently commoner here than in most areas near Donner Pass. July 11 S-facing slope, 6600-6300 ft., 3 mi. S Lake Min Norden, Placer (early a.m.) Co., Calif. - about 5 heard singing at 2 stops in chaparral (manzanita - Ceanothus - some cherry & huckleberry oak) near forests which are dense in some areas, & have scattered small oaks. July 12 7400 ft., 2.2 mi. E, ½ mi. S Mt Rose, Carson Range, Washoe Co., Nev. - 2 singing in willow thickets (few) of wet grassy flat near small lake. There is a broad, dense growth of Ceanothus velutinus on one slope above (cleared for skiing). [This latter not covered, the ones heard being while filling car radiator]