4. _Ziphius cavirostris._ Newport, Rhode Island. Male, adult. Length 20
feet 1 inch. Cat. No. 49599, U.S.N.M.
[Illustration: Plate 42 BERARDIUS BAIRDII]
Fig. 1. _Berardius bairdii._ St. George Island, Alaska. Female, adult.
Length 40 feet 2 inches. Cat. No. 49726, U.S.N.M.
Ventral aspect.
2, 3. _Berardius bairdii._ Centerville, California. Male (?), adult. Cat.
No. 49725, U.S.N.M. Length about 41 feet. Head from in front and from
below.