B.M.
Eutropia Heavisidii, Gray, P. Z. S. 1866, p. 215; Synops. Whales & Dolph. p. 7.
Tursio Heavisidii, Gray, Cat. S. & W. p. 263.
Cephalorhynchus Heavisidii, Gervais, Ost. Cét. tab. 36. fig. 1 (skull).
Inhab. Cape seas.
Vertebræ 65:—C. 7. D. 13. L. 15. C. 30.
The D. cephalorhynchus of F. Cuvier, judging from the figure of the skull given by Schlegel, appears also to belong to this genus.
See Stigmatias (Amblyodon), Cope, Proc. Acad. Nat. Sci. Philad. 1866, p. 294.
Tribe III. LAGENORHYNCHINA.
Lagenorhynchus, Gray, Cat. S. & W. p. 267; Gervais, Ostéogr. Cét. tab. 36.