3981 Limnites minutilla ♀ Alameda, Cal; Sept. 6, 1909. 3982 3983 3984 3985 September 9, 1909. San Leandro Bay and tributary sloughs and around Bay Farm Island, Alameda Co., Calif. Rallus obsoletus. Saw ten or a dozen along edge of grass in Melrose slough. Heard some calling. Archmophorus occidentalis. One. Larus californicus. Shot a young bird and an adult with the mottled head of a winter bird. Saw a dozen or two dozen large gulls. Terns. In an estuary of San Leandro Bay we saw two large terns, either Sterna maxima or Sterna caspia. They were calling. Saw two others on the south shore of Bay Farm Island. Sterna fluvialilis.} Small gulls of this type were Sterna forsteri. Seen all day, in San Leandro Bay, on the north, west, and south sides of Bay Farm Island. Those seen in San Francisco Bay were working northwest, fishing. All were fishing. I shot one Sterna fluvialilis in San Leandro Bay and three or four