Remsen, J.V. 1977 Chestnut-sided Warbler Pendroica pensylvanica June 14 Point Reyes, Marin Co. Calif.: 1♂ in poison-hemlock gully just SW of Nunes. Watched from about 15ft. for 2 minutes—brilliant green-yellow crown; nape and back green, striped black; eyeline and projection below eye black, contiguous with conspicuous, solid, broad chestnut stream along sides; rest of underparts immaculate white; two white wingbars. Sept. 12 Monterey area, Monterey Co., Calif.: 1 im. & in cypress around putting green at Crespi Pond. Immaculate white underparts, yellow-green crown, gray face with white eye-ring, green back, large yellowish-white wingbars. Found and identified by Linda. Oct. 5 Point Reyes: 1 im.♀ at Mendoza Ranch — seen in great light at 20 ft—bright green-yellow crown, bright green back and tail, 2 large yellow wingbars, white eye-ring standing out against a gray face) uniform white underparts from throat to undertail coverts. The contrast between the gray of the face and the brilliant green-yellow crown is extremely distinctive.