Also heard song of Wm. Martin on Tassajara grade. June 29. I heard note of Wm. Fly catcher at spring on Laurels grade. It greatly resembles some notes of the Wm. Wood Pewee. I heard song of Wm. Lark Sparrow near top of Laurels grade. To me it resembled the trilling of a canary bird but it is not so delicate. Noticed quite critically the twitching motion of the Bluebird's wings when it alights. July 4. During the past month I have traveled over a consid- erable part of the northern half of this county and have noticed how very abundant two birds seem. These are the Horned Lark and the Gold finch. The Horned Larks seem innumerable in the valleys