34. treating tide. A good many immature Larus glaucescens are still to be seen sitting about on the piles both morning and evening at both termini of the ferry. I noted one moulting bird standing on a pile for sev- eral minutes, and running the feathers of his breast and abdomen through his bill, apparently in an effort to pull them out; occasionally getting one. Larus californicus is the most abundant bird, very few immature ones being seen, however. I noted one standing on a pile, the mantle had appeared on the major portion of its back, but the wings, underparts, neck and head, etc., were still in the immature spotted plumage. Several hooded Larus philadelphia were [illegible] hovering about in front of the ferry slip on the peninsular end of the route. Occ. Now and then one would drop to the surface, resting a mom- ent with upraised wings, to pick up something. Their short arcs of flight and quick wing beats re- minded me very much of the actions of the fulmars about the vessel at sea last November.