1941 April 9. The House Wrens are at the Flicker box- Heavy rain. A Pileated Warbler was singing under my window early, and in the distance I heard a Tolmie Warbler. Hermit Thrush at dawn April 10. Rain continues - Golden-crowned Sparrows have their bright crowns. Piquet S.d. Sparrows heard singing at Clarke's nursery near Sang Joe. Same birds feeding in the oats. April 11. C.O.C. Annual meeting. Many Cedar Waxwings near M.V.Z.- Grosbeak singing war house. Warbling Vireo heard. Clear. April 12. Went with J.T.A. to Boulder Creek - Fine weather. April 13. Easter. Boulder Creek, a Black- throated Gray Warbler seen and heard. James heard an Olivaceous Flycatcher. A pair of Juncos are together - came for bread. No Grosbeak yet. Only one W. Flycatcher, one W. Vireo, one- Cassin's Vireo heard. A pair of Pileated Warblers seemed to center activities about the patch of brooms. An Allen Hummingbird perched on the electric wire. Warm sunshine. Berkeley - as I came in from the garage The birds were thick; Robins on ground, picking up worms; Black-headed Grosbeak and Warbling Vireo, Purple Finches, Siskins in trees; House Wrens near flicker box; Song Spar, Spotted Towhee singing. High fog. April 14. The two House Wrens are busy at the Flicker box. Hermit Thrush still here. Have not detected Crowned Sparrows yet in oaks.