Inhab. River Irawady, deep channels, from 300 to 1000 miles from the sea (Dr. Anderson).

Tribe V. PHOCÆNINA.

Lateral wings of the maxilla shelving down over the orbit. Triangle in front of the blower convex. Teeth compressed.

14. PHOCÆNA.

Phocæna, Gray, Cat. S. & W. p. 301; Synops. Whales & Dolph. p. 8.

Dorsal fin distinct, in the middle of the back, with a series of small spines on the upper part of its front edge. Teeth all compressed, truncate.

Vertebræ 64 to 66:—C. 7. D. 13. L. and C. 44 to 46.

1. Phocæna communis.

Phocæna communis, Gray, l. c. p. 302; Synops. Whales & Dolph. p. 8.