Fulica Americana 253 Mar 28 Jewel Lake, 510 ft., Contra Costa Co., Calif. incubation not. Mar 29 Lake Temescal, 730 ft., Alameda Co., Calif. 8 eggs in nest 56.5 - slightly warm, suggesting some incubation, bird was on or near nest. & went to 57 beside the willows, and churred several times gave a low "poonk" a couple of times. Weighed four eggs, #1, 2, 7-8. Now, about 10 minutes later, one of the birds is venturing into the vicinity of the nest carrying a bill full of cat-tails as it moves by the nest. One pair were seen billing together at about I18. Then they crossed to the cat- tails at F18 to feed and putter around. A little while later a bird was chased out of the cat-tails at I7 by another bird, the chase went as far as I 12. Aquatic Park, s.l. Berkeley, Alameda Co., Calif. Six cools seen in the reed ref area towards the end of the park. 10 more in refuge area. A total of 16 birds on the lake. Mar 30 Jewel Lake, 510 ft., Contra Costa Co., Calif. When I arrived 5 p.m. the S & was near G 19 heading towards her mate at G 11 - as she moved S, M came out of the cat-tails at L22, swam to G18, and charged and then splattered to F11. There S & M went into paired display while S & was nearly in charge position. After about