twenty or thirty cormorants passed us, flying in their usual slow-wave style to the southward. Three cormorants northward bound went by. The usual Larus glaucescens, Larus californicus, and Larus argentatus were seen from the after deck during the trip across. It seems to me that the adult Larus californicus are becoming more common. This evening I saw the same species of gulls about our steamer and in the usual proportions. February 2, 1911. Alameda to San Francisco, California. Rainy; rather cold. This morning while standing in the back yard a flock of thirty cormorants (probably Phalacrocorax auritus) passed over quite low down, heading towards San Leandro Bay. They were flying in a broken line, the leaders being near the center. Along the seawall and mole a few ducks were noted, and when well down the mole I saw half a dozen gulls flying eastward high in the air. On the Bay Larus glaucescens, chiefly immature, were abundant; Larus californicus, chiefly adults, a few; Larus argentatus, three or four immature. In the evening Larus glaucescens and Larus californicus followed our steamer, passing within a few feet of upper deck passengers,