2. The same. Dorsal aspect.

3. Ziphius cavirostris (?). Kiska Harbor, Alaska, 1904.

4. Ziphius cavirostris. Newport, Rhode Island. Male, adult. Length 20 feet 1 inch. Cat. No. 49599, U.S.N.M.

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.

4. The same. Skeleton. About ⅙ nat. size.

The pectoral fin is modeled from another specimen. It is on the wrong side in this figure.