Plate 3 SKULLS OF MESOPLODON STEJNEGERI
Fig. 1. Mesoplodon stejnegeri. Type-skull. Bering Island. Immature. Cat. No. 21112, U.S.N.M. Dorsal aspect. ¼ nat. size.
Edges abraded; distal end of beak defective.
2. Mesoplodon stejnegeri. Skull. Yaquina Bay, Oregon. Adult. Cat. No. 143132, U.S.N.M. Dorsal aspect. ¼ nat. size.
Proximal end of premaxillæ defective and right nasal lacking.