Inhab. Indian Ocean.

2. Steno compressus.

B.M.

Steno compressus, Gray, l. c. p. 233. n. 4; Synops. Whales & Dolph. p. 5, t. 27.

Beak of the skull elongate, compressed, attenuated in front. Teeth 26·26, large, two in an inch (Zool. E. & T. t. 27).

Inhab. South Sea.

Steno rostratus appears to belong to this section.

** Teeth three in an inch.

3. Steno chinensis.

Delphinus chinensis, Osbeck’s China; Gray, Cat. S. & W. p. 266.