5. Bering Island. Adult. (From mounted skull.)

Lateral aspect. 1/10 nat. size.

[Illustration: Plate 32 BERARDIUS BAIRDII AND HYPEROÖDON AMPULLATUS]

_Berardius bairdii._

Fig. 1. Vertebræ. St. George Island, Alaska. Female, adult. Cat. No.

49726, U.S.N.M. The vertebræ from left to right are as follows: 1-3

cervicals, 1st thoracic, 8th thoracic, 9th thoracic, 10th thoracic, 1st

lumbar, 1st caudal.