Cogswell 1950 Vireo gilvus 2 June 17 (cont'd) - southward projecting branch of a Pinus monticola, 25 ft. from patch of bare ground which is surrounded by 3 to 6 ft. deep snowbanks. The nest is open to the sky only in a small area to S & E of zenith. It has a lot of wide, dead leaves of some strap-shaped variety used in the outer portion, which seems quite complete. The site is 75+ ft. within the forest from the edge of the meadow & on the snowy side of it at that. June 18 This nest not visited; but the several singing & foraging birds noted today were all in, some well within, the red fir-lodgepole pine forest Perhaps it's because the alders & willows are leafless or with buds just opening. of the newly meadow June 23 N. side Bear Valley, 4985 ft., Nevada Co., Calif. - 2 singing in black oaks at edge of conifer forest & large grassy June 24 Cisco Grove, 5650 ft., on S. fork Yuba R., Placer Co., Calif. July 5) 2 singing from riparian woodland (tall black cotton, woods & willows & other shrubs). June 24 W. of Donner Lake, 5950+ ft., Nevada Co., Calif. - 2 singing from tall aspens along inlet creek, & occasionally from the intermixed Jeffrey & lodgepole pines. June 27 Reno, 4500 ft., Washoe Co., Nev. - 2 heard singing in Fremont cottonwoods & catalpa trees of residential area. June 28 Sugar Bowl Lodge, 7000 ft., 1.2 mi. SSW Donner Pass, Placer Co., Cal. at 5:30 p.m. (PDT) 2 flew rapidly across the porch on the SW side of the lodge, one [illegible] pursuing the other at or close (few miles) quarters. They