68. Grebe. One off south shore of island. Small species. Gulls. Several large ones. Larus philadelphia. Seven on tops of piling of old railroad bridge in San Leandro Bay. All were worm, some very worn. One had a black head. The others showed signs of immaturity. Arenaria interpres. One near high shell bank off South Alameda. Squatarola helvetica. Fairly common. One very black-bellied one. Numenius hudsonicus. Common. Limosa fedoa. A few. Macrochamphus griseus. Common. Sympthenia semipalmata. Common. Several which I took to appear to be immature plumage Sandpipers. Saw several small flocks. While on the southeast shore of Bay Farm Island a very large flock of several hundred suddenly passed over me, disappearing in the distance to the south, flying over the bay, Ardea herodias. A few. All wary. This evening I saw several Nycticorax nycticorax flying over town. 3867 Arenaria interpres ♀ Alameda, Cal.; July 20, 1909; C. A. S. No. 3868 Limosa fedoa ♂ " " " C. A. S. No. 3869 Sympthenia semipalmata ♀ " " " C. A. S. No. 3870 " " ♂ " " " C. A. S. No. 3871 " " — " " " C. A. S. No. 3872 Numenius hudsonicus ♀ " " " C. A. S. No.