mycti corax along the seawall. Along the mole there were no birds. In the eastern part of the bay I saw only one gull, and that was flying. In the western part there was a flock of one hun- dred or two hundred gulls on the water. They appeared to be mostly Larus cali- for nican immature plumages approach- ing the adult, and several Larus occidentalis, May 27, 1909. Alameda to San Francisco, California. I saw a drake scaup duck on the water off the mole this morning. Aside from him there were no other birds. May 28, 1909. Alameda, California. This evening while walking to Park Street I saw three or four Nycticorax nycticorax fly over going southward. June 2, 1909. Alameda to San Francisco, California. Along the mole there was nothing, although the tide was low. On the bay near some steamers west of Goat Island I saw a large flock of gulls apparently immature (with partly blue breastles) Larus californicus, and some adult Larus occidentalis.