(70) I saw them making regular trips back and forth as I looked from my bath-room window this morning.) (Known nests here now are: Thrasher, Vigor Wren, Plain Titmouse in his regular house--this will be the eight year in succession-- Bush-tit, Junco. Known to be nesting: Allen's Hummer--probably finished weeks ago--California Towhee Suspected: Spotted Towhees, Wrentit, Song Sparrow, Purple Finch At 4:30 both birds in the chaparral outside the fence. Brown- eyes came through first after trying several places unsuccess- fully. I sat on a low stone wall and she came up beside me to eat soft food. After that she went up in the tree over- head and answered my whistle with a song. Whenever she stopped I would whistle an attempted imitation and she would sing again. This was repeated eight or ten times. This was full song. I went to the nest, but she did not follow. She seems to take her "bereavement" philosophically now. Green-eyes lost all interest in the nest, as far as I can see, when he first refused to take his turn. It now remains to be seen whether they build another nest and where. From their fondness for my artificial "chaparral" on the bank outside the fence, I would not be surprised if it were there. March 31 At about 8 I went out to see where the Thrashers were. One of them--Brown-eyes it proved to be--answered from the chaparral and came through the cut which they have made to make it possible to get through without climbing over. When she was through and running toward me she saw a nice looking twig about a foot long, picked it up and went back through the fence. I went down to see if this meant another nest, and,