Euleia Americana 1949 April 26 Travel Lake, Tilden Park, Contra Costa Co., Calif. but that was not enough. While I was delivering truck intercepted the other bird moved towards deeper water, supposedly with the three swimming young. This bird still remained out of sight. Apparently one bird (the \sigma?) guards the nest while the other (♀?) cares for the young. Even now as I sat on the dike near the nest (4:10 p.m.) the one bird is "puk-huk"ing in the cat-tails a few feet away while the other bird it is "put-put"ing 20 oved the yards away. Now the defender has left and all is quiet except for a "poonk" and the low "whewt, whewt" of the young. I can hear at least 2 young and maybe 3, one was still in the nest when I last looked at 4 p.m. Apr 27 same locality - visited the nest at O26-6 at 9:15 a. m. - one downy young in the nest, 4 eggs still unhatched. The "poonk" bird was in E area O25-8 - probably with the \sigma's swimming young, altho no "whewt" was heard. The "puk-huk" bird was near the nest, in fact I believe it was on the nest until a moment before I approached the nest. The downy young in the nest climbed out, and was well along towards drowning when I found it and replaced it in the nest. - A 9:45 \delta found the second nest, C12.\beta, it was built much as the first one was, of dead cat- tail material, with some green leaves pulled down from above, but not woven into the nest. On the west side of the