V. GULLION 1950 Fulica americana 443 May 20 Larbetemescal, 420 ft., Alameda Co., Calif. descended on the play field. 7:59-1 M♂ Mallard chased another into the cat-tails at J6-4, to ♀ got excited, at 8:00 a.m. the SE♀ carried a piece of dried cat-tail leaf to the nest from K 7, the ♀ got off, the ♂ got on. No ceremony involved. She moved on out of the nest area. 8:03, a bird at K 7 is splagging slapping her foot. 8:05 SE♀ moved to J 7 to do raft at J8. She preened for a moment, then dropped into the water, about then the M♂ slipped out of K 7 and started to move along the S side of the island. The SE♀ spotted him and immediately attacked him, chasing him (splattering) to H14. She then returned to the J7 area, ignoring the M♀ "punting" all the while at K 7. Now 8:09 M♀ is foraging out along the S side of the island, unmoletsted. She moved on out and now 8:11 is moving into the willows at E13. Her mate is at H17. As the train comes up to track and stops, the SE♀ at L6 cackles. 8:13- M♀ at E13 was attacked by a SW bird and chased to E13, the SW bird returned to it 5 syns at E11, then the SW ♂ drove M♀ finally to G 17 before turning back. 8:18. M♀ crossed yach and is feeding at L8, while H♂ "punk-whks" at F18. W/Bl and ♀asSc moved from N12 across to G 23, where they are now feeding. They started across at 8:12- now