79. lowed the steamer across. About half of these left us as we passed the steamer going to Alameda and followed her back. When anything is thrown overboard, half a dozens or more of the birds swoop down for it. The suc- cessful bird is usually pursued by two or three of its comrades. San Francisco to Alameda mole, bal. Conditions: - 5:45 to 6:05 P.M. level; overcast; west wind. Larus californicus, common. delanaravis, a few. hermanni, two. Sterna — . Lns fishing off Goat Island. Sep. 18, 1904. San Francisco and San Leandro Bays, adjacent to Alameda, bal. Conditions: - 6:00 A.M. to 2:00 P.M., Partly overcast; hot; west wind after noon. The morning wind came from the east. The first birds which we saw were a few Passer do- mesticus. On a shack built over the bay at the foot of the Street I saw three Euphagus cyanoccephalus. While we were getting the oars, etc., into the boat, two Larus calif- ornicus flew by headed for the main bay. On the south side of the railroad trestle we shot a young Vivia troile which had strayed in. Near the last end of the trestle, a beryle alcyon sat on a tele- graph wire, from which it flew occasionally, sometimes lighting on a pole, sometimes on a tie. Nearby an Ardea—