enough to be recognized as Edemia perspicillata; two or three gulls were also observed on the wing. On the old burned horizontal cross beams at the mole there were a number of immature Larus glaucescens. On the bay gulls were abundant as yesterday, large flocks being noted about each warship lying in the harbor. A few birds followed our steamer at first, becoming common by the time we reached the city, where the gulls were abundant on the roofs of the sheds and on the piles. Immature Larus glaucescens with an occasional adult followed steamer across, coming down an occasional adult or immatu- ture Larus californicus, and two or three immature Larus argentatus also mingling. As usual some of them quarreled over the flagstaff. A few called a little, not the long cackling call, but just the short notes. In alighting on the flagstaff, the tail is spread and the feet lowered and does spread at the same time just as they go to alight. One immature Larus Glaucescens carried the quarrel beyond the flagstaff, for he [illegible] caused his enemy some concern by trying to descend on him a couple of times while flying the wake of the boat. This evening one or two immature Larus argentatus, (yptter plumage) or four adult Larus californicus, and a large number of Larus glaucescens followed the steamer, being most abundant on the S. F. side.