F. GULLION 1950 Fulica americana 297 Apr 10 Jewel Lake, 510ft., Contra Costa Co., Calif.- F? - crossed to D11 on To C?E 18. From there over to the west side, either to boat or island - then they encountered NO who chased them to G26. When they crossed F9? To 11 they passed by a few feet from the S pair, but all they were greeted with was a few "punks". One diving bird timer 7+9 seconds. About 3:15 p.m., I chased one bird N?♀? out from C24 - she crossed the lake to G16 when she disappeared into the cat-tails. NO not seen, but both S birds accounted for during time this bird was under observation. Apr 12 Lake Tlomesal, 420ft., Plameda Co., Calif- When I arrived at 12:30 p.m. # a SE bird (the? ?) was carrying a small piece of cat-tail from I 7 to the nest at J6.5 The & incubating bird met it on the ramp and took the piece.# The first bird returning to the water swimming away. Its notes were heard. Just heard a lot of chasing in the cat-tails at the S end but couldn't determining what birds were involved. Things seem to be generally quiet, at least this time of day. A chase at F22 G/R being chased by another bird. As I came to M9, the W pair came over from about H13 to