Enulica Americana -12- Jewel lake, Tilden Park, Contra Costa Co. Calf. - nest was a gangway, made of 3 or 4 inch pieces of dead cat-tail leaves more or less pushed together, but not giving the appearance of a solid structure. To shore. There are 10 eggs in the nest, and the nest is 7 inches across on top of the eggs. Still room for two or three eggs. From the looks of the gangway and remembering the kind of material being carried yesterday and the day before, I believe the gangway is the last structure built. The water the nest is in is waist deep, the nest is about four feet in from the open water. As I approached the nest, one bird came out of the cat-tails from near E 4.7 and leisurely crossed to F 9.13 where it (she?) was joined by the larger bird and they both charged across the open water towards C 12, pulling up short just outside the edge of cat-tails at C-12.5 where the larger bird "churned" twice while the smaller bird sat by silently. As I approached located and went towards the nest I lost track of the birds, but one, I believe the larger met me near the