2. Skull. St. George Island, Pribilof Group, Alaska. Female, adult. Cat. No. 49726, U.S.N.M. Dorsal aspect. About 1/10 nat. size.

3. Skull. Centerville, California. Male (?), adult. Cat. No. 49725, U.S.N.M. Dorsal aspect.

All figs. about 1/10 nat. size.

Plate 27 SKULLS OF BERARDIUS BAIRDII

Berardius bairdii.

Fig. 1. Type-skull. Bering Island. Immature. Cat. No. 20992, U.S.N.M. Ventral aspect.

2. St. George Island, Alaska. Female, adult. Cat. No. 49726, U.S.N.M. Ventral aspect.

3. Centerville, California. Male (?), adult. Cat. No. 49725, U.S.N.M. Ventral aspect.

All figs. about 1/10 nat. size.