(355) ence, Brownie, Greenie, the first brood of three and Snooty--the only six mature thrashers that I have repeatedly observed at close quarters- 5 sing and the other has merely not been positively observed to sing. The weight of evidence to date is, therefore, that all California Thrashers, irrespective of sex, do sing. During the rest of the day the birds were frequently seen, Snooty staying away from the others and showing interest in the ter- ritory which I hope he may come to regard as his own--though I think it very doubtful. A hopeful sign is that he has discovered the soft-food feeding station which I have put outside the window for him and uses it occasionally. August 25th. At 8:30 A.M. Brownie was in the glade and Snooty at the oval lawn, both friendly. Greenie was not seen. I saw no signs of Snooty's being chased yesterday. He is, however, alert to his surroundings at all times. All three birds were seen at various times of the day. August 26th. At 8:30 A.M. Brownie was in the glade, the other two not seen. No other observations were made until 12:30 at which time Brownie was at the same place, Greenie at the oval lawn and Snooty not seen. Neither of the adults was particularly eager to eat worms. This is a foggy, chilly day. Perhaps that has something to do with it; although Brownie was at work on her undersong. I noticed a number of wing feathers on the lawn, also body feathers, any of which might have belonged to a thrasher and while I was forming a mental picture of a hawk swooping down and carrying Snooty off for good, thus accounting both for his absence and the indifference of the older birds the theory was upset by Snooty himself suddenly sailing down from the upper garden and landing about 10 feet from me and then running over to me for a worm. Greenie saw all this and darted out at