that of Larus californicus. DEC - 8 1904 Deep slough south of RR track, San Leandro Bay, Alameda, Cal. 7:00 A.M. to 12:30 A.M. Conditions: Cold; warming towards noon; no wind. One grebe, in San Leandro Bay. Gulls. A good many large gulls passed over the Bay early in the morning. Larus philadelphia. One. Gavia immer. One in slough. Goldeneyes; a few in slough. Very few ducks in flight. Eurismatura jamaicensis. Common. Celidua alpina? (Crennetes occidentalis?) [illegible] - almost abundant. A neighbor brought in from north of the RR, five Aythya valisineria; one Blangula blangula; one Euris- matura jamaicensis. DEC - 9 1904 Alameda, Cal. to San Francisco, Cal. 7:00 A.M. to 8:00 A.M. Conditions: Moderate temperature; South wind; Overcast;