Julian 1949 Fulica Americana -5- Apr 9 Lake Jewell, Tilden Park, Contra Costa Co, Calif. - varied from view. - definition of terms - - charging- means swimming across the water with head and neck lowered to water surface and making a noticeable wake in the water - - splatting- chasing another bird across the surface of the water by flapping wings and "walking" on the water- - spreading- refers to the extending or spreading of the tail feathers in courtship play. - paired display- both birds behaving in like manner. - churning- refers to the behavior where a bird lifts its body out of the water and churns the water by stroking the feet forward. N 89 nest 1- 9 eggs - in position as indicated. 2 1/2 eeggs about 3 inches above water - nest inside diameter 6 inches across top of eggs. The above described nest found in position 10.- as soon as I approached the area, I found the smaller (?) bird feeding on algae along the north side of the island-