_Mesoplodon stejnegeri_:
Yaquina Bay, near Newport, Oregon. February 15 (?), 1904. Adult.
Skull in the National Museum.
_Ziphius cavirostris_:
Kiska Harbor, Alaska. September, 1904. Known only from photographs.
_Berardius bairdii_:
St. George Island, Pribilof Group, Alaska. June, 1903. Adult female.
Skeleton in the National Museum.
St. George Island, Pribilof Group, Alaska. June, 1903. Young male.
Skeleton in the National Museum.
Centerville Beach, near Ferndale, California. October, 1904. Adult
male. Skeleton in the National Museum.
Alaska or California (?). Skull formerly in museum of the Alaska
Commercial Company, San Francisco.
Trinidad, California. January 30, 1905. Not preserved; perhaps not
this genus.
St. George Island, Pribilof Group, Alaska. August 21, 1909. Female.
Probably not preserved. Reported by Maj. Ezra W. Clark.