34. June 5, 1911. While crossing the bay this evening I saw two fine adult Larus hermanni in with a lot of immature Larus californicus (apparently). The first I have seen, and I have been on the lookout. They paid no attention to steamers. June 21, 1911. San Francisco (Howard St.) to Farallones. Conditions: NW wind; overcast. In the bay, especially off the Farallones gulls were common. Young Larus californicus; Larus hermanni, adults; Larus occidentalis, adults. In the straits gulls became scarcer. On the straits there were a good many Uria troile flying in small flocks and on the water. When one rises from the water its feet point outwards thus / \ ; after it gets under way they are drawn in thus | | . Outside the Heads occasional Uria troile were seen. As we approached the light ship Larus occidentalis became fairly common, several perching about the steamer; five adults. As we neared the Farallones I saw two Diomedea migripes following a southbound steamer. They stopped to light on the water. Saw three or four shearwaters, evidently Puffinus griseus. Close to the island birds became numerous: cormorants (Phalacrocorax pelagicus with white flanks recognized); Larus occidentalis, Uria troile, Lunda cirrhata, Pseudura columb.