1942 Crepper - a few heard - singing. Wren at - on Mt. V. esp. Vigon Wren com. Diverness, Robin com., Rb. Thrush com. In full song: Monterey Hermit Thrush - 2 singing on lower slopes of Mt. Vision, Warbling Vireo - very com., Cassin's V. heard, Hutton Vireo above Diverness - several heard. Warblers: Intercent, Bilesated (very str.), (One song heard near Miss Burress unidetified) (Sounded like Calaveras) Yellow W. on way in willow! Brewer Blackbirds com. in pairs in Diverness - Meadowlarks, Redwings along way, Black h. Grosbeak - very scarce - one female seen, One male heard singing. E.g., Sparrow - in town block way. Sagebrush Bunting - one on al. wire at Lagunitas - Calif. Purple Finch at., House Finch at., Willow Goldfinch at., Green Jacked (not atr.) Siskins very at., Spotted Towhee at. (No Brown Towhees seen). Juncos - a few pair seen - others heard singing on hillslopes up first valley. Nutall Sp. - one singing on bluff above bay - Song Sparrow - at. Total 50 sp. May 19. We took our lunches and walked part way up Mt. Vision - beautiful clear day. Left Diverness at 4:45 p.m., S.F. 7 p.m., Warm. Returning by bus the weather became quite hot at Fairfax etc. and in the Bay region. May 20. Berkeley hot - 92° in places. May 21. From 11 a.m. to 11:45 a.m. in Hamilton Canyon. Fog on the bay, cooler. Dudail (one heard in distance); 5 h. Sh. Hawk, one flew over N. to S. announced by Bush Tits;