llinoi 349 Fulica americana -44- June 21 Jewel Lake, Tilden Park, Contra Costa Co. Calif.- another, finally scottering the lot. This pair must have a nest active because one of them is out of site so much. I threw a tennis ball out into the lake and four members of the north brood became extremely curious, trying to determine what the floating object was. They would approach, all humped up, to about ten feet from it and then hastily retire - 3 times I saw this happen; they never did actually examine it. The adults paid no attention to it. At. 4:45 p.m. the south nest is still without a brooding bird. Can't see either of the south pair but I cleared off stuff away so I can see the nest clearly. The spring coots of the N brood seem very sociable and are generally closely together, except for 1 low wolf, but the S brood is generally scattered all over this area, seldom are two even seen close together. June 22 - North El Cerrito Creek, Alameda Co. Calif. - 3 apparently fully adult birds were in the salt grass alongside the bay here at 6 p.m. When I approached them they swam out onto the rough waters. June 23 - Jewel Lake, Tilden Park, Contra Costa Co. Calif. - At 8:30 a.m. 4 young of the south brood were feeding on the south pond. A moment later the 2 came out of the cat-tails at 67 and proceeded to feed on a patch I