the train. I saw no water birds until I left the mole. On the trip across the bay, I saw a few Larus heermanni and about twice as many Larus occidentalis. The major- ity of the birds were on the water. I saw one Uria troile on the water. San Francisco, Cal. to Alameda, Cal. 5:15 P.M. to 5:35 P.M. Conditions: - Overcast; strong west wind; moderate temperature; tide flooding. I saw Larus occidentalis and Larus heermanni, the latter off Goat Island. They were in about the ratio of four to one. Off the island an Uria troile flew across the bows. Along the mole I saw a few Larus occidentalis; they had evidently discovered some refuse. One would fly down to the water and try and pick up something, then another would do the same. The shores of Alameda and Bay Farm Island are so situated that when a southerly or westerly wind blows, it piles up the refuse from San Francisco on our beaches. Another thing that makes our shores teem with bird life is the fact that the Sacramento river current is swept around to our shores as the tide floods by the ocean current; casing big mud flats to be formed. The place where these two currents meet is east of Goat Island and can be distinctly seen. On the west is the clean, clear, green, ocean water; on the east is the dirty, yellow, muddy river water. JUL - 8 1904 Alameda, Cal. to San Francisco, Cal.