seen; also occasional immature Larus argentatus. The piles and buildings on the San Francisco side had an abundance of gulls on them, chiefly Larus glaucescens. Just as we were approaching our slip on the San Francisco side there Steamer Oakland Berkeley was just leaving. There were about ten Larus glaucescens on her hurricane deck and one or two more were seen to alight. Five of the flagstaffs each carried a gull. This evening the usual gulls followed the steamer, and among them I noted a Larus argentatus which was nearly adult. February 6, 1911. Alameda Pier to San Francisco, cal. clear; cool. The usual Larus glaucescens, Larus californicus, and Larus argentatus were about the steamer this 9. M. As we neared Alameda Pier this evening a dozen cormorants passed us going south. February 7, 1911. Alameda Pier to San Francisco, cal. clear; frosty this morning. Gulls of the three regular species were seen as usual, and an adult Larus argentatus was also noted. Both to-day and yesterday I saw a gull scratch its head while on wing. This morning I saw fourteen cormorants flying north close to the water and this evening two more.