Supplement to the catalogue of seals and whales in the British Museum

by John Edward Gray

Head beaked, teeth conical. Beak of the skull elongate, slender, compressed. Nasal triangle short. Symphysis of the lower jaw elongate.

1. STENO.

Steno, Gray, Cat. Seals & Whales, pp. 230, 232, 393, 394; Synops. Whales & Dolph. p. 5.

Beak of the skull compressed, higher than broad. Symphysis of the lower jaw long. Marine and fluviatile. “Pectoral fin moderately long, triangular, obtusely pointed at the end. First digit short, without any bony phalange; the second with six, the third five, the fourth two, and the fifth one phalange. The carpal bones all separated by broad cartilages. Scapula oblique, truncated at the posterior angle. Acromion broad, and coracoid rather small.”—Flower.

a. Skull large, solid; the beak compressed, high.

* Teeth large, conical, about two in an inch of the length of the margin of the jaw.

1. Steno frontatus.

B.M.

Steno frontatus, Gray, l. c. p. 233. n. 3; Synops. Whales & Dolph. p. 5, t. 21. f. 7, 8.

Beak of the skull short; the front part thick, high, and blunt. Teeth 24·24, large, two in an inch.