W. GULLION 1950 Fulica americana 4/4 May 12 Chur Calif. Campus, Alameda Co., Calif. G-Y/B is lying down in the SE corner moving cat-tails around. -Dissecting R2(7/22) I found a lot of yolk in the gut, a very small ovary, and a typically shaped ♀ syrinx. Fixed some club feathers from this bird for later sectioning. It has a good layer of fat under the skin of the abdomen. Bursa 11.7 mm., shield 5.9 mm. total T-MT - 43.9 mm. TM♂-20.3 mm. ♀MT.3 (MT) - 24.4 mm. Lake Temescal, 420ft., Alameda Co., Calif.- At 2:53 p.m. SE ♀ on the nest, M♂ at 57 heard "pooonking". At 2:58 SE ♂♀ together, a ♀ Mallard with 12-14 yng at X6 in the willows. There are 1 or 2 day old yng. Egg #4 pipped in nest T61. Egg #1 finally pipped thru. SW ♀ seemed to be nearest to the nest. 3:15 p.m. E♂ on the nest, the E♀ was at P20 as I came down the road, but moved out to P20 and then down to the nest. About 3:20 p.m. I caught the E♀, tagged her, measured and released her. She may be wears tag O-016, of the new "overlap" style, band 496-71687. She didn't like the whole affair, nor did the ♂ who displayed vigorously. When I caught her I noticed that egg 1 was nearly open, but still intact. At 3:40 p.m., when I checked back out, the yng had hatched. It was marked LZR2. 4:15 pm. I have