(140) 1 Lazuli Bunting 2 Chipping Sparrow No systematic search has been made of this place as yet and part of the area has not even been visited. Of the 19 kinds of nests found every one was revealed by the action of although the Wren-Tit's nest required a real search. the birds themselves. Not one of the half dozen pine trees has been examined--not even the one that has three nests (all of different kinds of birds) in it. The chaparral bank 500 feet or more long and as wide as 15 or 20 feet in places, measured along the slope, has not been examined except in the immediate vicinity of Thrasher nest No.2 (The Wren-Tit's nest was about 10 feet from it). It is believed that there are many more nests here than have yet been found. The nest of the Wren-Tit was really hard to find as the birds scolded me wherever they found me and it was difficult to locate the optimum position for most intensive scolding, especially as they followed me around, and while thinking of other things I would fail to note where the scolding began. Even after I had narrowed it down to one bush, after deciding to "go to it" and make an end of the uncertainty, I had to search every cubic inch of that bush with both birds in it--although I could see but one as the other was on the nest all of the time and would not fly out of it. In fact I never did see the nest without an adult on it until today when the young had left and were being fed elsewhere. The Siskins and Black-headed Grosbeaks are frequently here, but I have not found their nests, nor have I ever found and English Sparrow's (House sparrow) During the nesting season of 1927 I looked frequently for nests, but recall now finding only nests of the two kinds of towhees, the bush tit, the plain titmouse and the wren. Feed, water, protection from enemies, additional cover, have brought