numerous off Goat Island. To the south of the island we passed a little bunch of six Uria atrae. Nearly all dived as we passed. Had a good opportunity of ob- serving how this was done. They stick their heads un- der first, and then use their wings to force them- selves down. I saw one Larus heermanni over near the Ala- meda Mole. JUN 30 1904 Alameda, cal. to San Francisco, cal. Time:- 6:45 A.M. to 8:00 A.M. Conditions:- Overcast; temperature mild. When I awoke this morning the first bird sound that struck my ear was the cheery call of Aphelocoma californica. The birds were beneath my window. One was perched on the edge of the walk; the other was in the walk, trying to twist a piece of rock out with his beak. He uttered an occasional note and finally gave it up, uttering a somewhat differ- ent note at the same time. Whether it was disput or not, I was unable to tell. When I left the house there were a pair in the pepper trees across the street,- perhaps the same pair. On High St. I noted a great many Passer domesticus feeding in a vacant lot. As the train passed through town I saw a flock of half a dozen Hirundo erythrogaster passing to the South high overhead. As we sped along the seawall Nycticorax nycticorax was in evidence, and also Larus occidentalis