Plate 22 MANDIBLES OF ZIPHIUS CAVIROSTRIS
Mandibles of Ziphius cavirostris.
Fig. 1. Charleston, South Carolina. (Type of Z. semijunctus (Cope).)
2. Newport, Rhode Island.
3. Bering Island. Cat. No. 22069, U.S.N.M.
4. Bering Island. Cat. No. 21248, U.S.N.M.
All figures about ⅕ nat. size.