roundhouse. In the evenings, however, there were no birds, it being quite dark when the train reached that point, viz.: about 6:05 P.M. During the past week I noted a cormorant flying westward when off Goat Island; I do not remember the exact date. Two or three days ago I saw a Great Blue Heron (Ardea herodias) standing in the shallow waters off West Alameda, but at a considerable distance from the mole. This morning I rode outside on the forward deck of the steamer. It was a beautiful clear morning with just enough air stirring to ripple the surface of the bay. Off over the Mt. Tamalpais range was a heavy veil of fog, but in the vicinity of the peninsula and trans-bay cities all was clear. Only an occasional Lutus californicus (the immature are now more numerous than the adults, which have striped heads) was seen until fairly close to San Francisco. There there were a good many gulls on the water, those flying up close to us were immature Larus californicus, many plumages, and immature Larus delawarensis; with these,