Grinnell -1915 Yosemite, Calif. 21 a chokecherry thicket we found the rest of a TB black-headed Grosbeak, with from three young whose feathers are just beginning to show. The nest was in a crotch and of the usual loose construction and undilined. June 25 Found the four Tolmie Warblers out of the shell this afternoon. They are pinkish yellow and quite naked. The Warbling Vireo's are as usual. The fourth egg of the Spurred Towhee is still unhatched. I The four little Russet- braced Thrushes are still in the nest. Found a second nest of the Warbling Vireo, about twelve feet up in a young black oak and three feet J out from the main stem. The nest was securely anchored and composed of light gray