Ziphius cavirostris.
Fig. 1. Skull. Newport, Rhode Island. Lateral aspect. 1/7 nat. size.
2. Skull. (Type of Ziphius semijunctus (Cope).) Charleston, South Carolina. Posterior aspect. 1/7 nat. size.
3. Skull. Barnegat City, New Jersey. Posterior aspect. 1/7 nat. size.
4. Skull. (Topotype of Ziphius grebnitzkii Stejneger.) Posterior aspect. 1/7 nat. size.
5. Skull. Newport, Rhode Island. Posterior aspect. 1/7 nat. size.
Plate 22 MANDIBLES OF ZIPHIUS CAVIROSTRIS
Mandibles of Ziphius cavirostris.