5. Ziphius cavirostris. Barnegat City, New Jersey.
6. Ziphius cavirostris. Newport, Rhode Island.
7. Berardius bairdii. Centerville, California.
Inner aspect. Nat. size.
Plate 37 PERIOTIC BONES OF MESOPLODON, ZIPHIUS, AND BERARDIUS
Right periotic 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.