Conditions:- SE wind; rough on bay; rainy. In the evening practically all the gulls following the steamer across were adult Larus californicus. I saw two or three immature Larus glancecens and one immature Larus californicus. There were practically no ducks noted along the mole, the majority having retired to the sloughs for shelter from the strong wind and heavy sea. Mar. 20, 1906. Alameda to and from San Francisco, bal. Conditions:- Wind variable; rainy; cold. Quite a number of Scap Ducks and Oidemus perspicillata along the mole both in the morning and evening. They are quite tame now. Larus glancecens was quite common on the piles at Alameda mole, they were all immature birds. Adult Larus californicus were the commonest birds about the San Francisco side and on the way over.