The Beaked Whales of the Family Ziphiidae / An Account of the Beaked Whales of the Family Ziphiidae in the Collection of the United States Museum...

by Frederick W. True

Plate 35 TYMPANIC BONES OF MESOPLODON, ZIPHIUS, AND BERARDIUS

Tympanic bones of Mesoplodon, Ziphius, and Berardius.

Fig. 1. Mesoplodon densirostris (?). Annisquam, Massachusetts.

2. Mesoplodon stejnegeri. Yaquina Bay, Oregon.

3. Ziphius cavirostris. (Type of Z. semijunctus (Cope).) Charleston, South Carolina.

4. Ziphius cavirostris. (Type of Z. grebnitzkii Stejneger). Bering Island.

5. Ziphius cavirostris. Barnegat City, New Jersey.

6. Ziphius cavirostris. Newport, Rhode Island.

7. Berardius bairdii. Centerville, California.

External surface. Nat. size.