numbers apparently having undergone no change. This evening I saw several Nycticorax nycticorax flying over from their roosting places to their feeding grounds. April 1, 1911. Alameda to San Francisco, california. Yesterday morning I saw two large flocks of curlew, evidently Numenius hudsonicus, on the marsh west of First Street. This morning I saw none, although on the lookout. The tide was low both mornings, but on the mud, both along the seawall and the mole, there were no shore birds, only gulls, chiefly Larus californicus. There were a few ducks along the seawall and mole, and there was one adult male Fuligula close to the mole. Yesterday morning I saw two grebes along the mole, and one cormorant on the customary pile at the mole in the evening. This evening saw one cormorant flying, on the east side of the [illegible] bay. On the bay are the usual Larus californicus, chiefly adults and a lesser number of immature Larus glaucescens. The adult Larus californicus seem to have lost the spotted head of the winter plumage. April 3, 1911. Alameda to San Francisco, California. Gulls on mud near roundhouse: A few