Fabricia, Gray, l. c. p. 382.

The lower lateral processes of the third to the seventh cervical vertebræ with an angular projection on the lower edges. Fingers short, the length of the forearm-bone.

Scapula broad; acromion and coracoid elongate, slender.

1. Balænoptera rostrata.

B.M.

Balænoptera rostrata, Gray, l. c. p. 188, figs. 49-53; Synops. Whales & Dolph. p. 3, t. 1. f. 5 (baleen), t. 2 (skull), t. 32. f. 3, 4 (cervical vertebræ); Van Beneden, Ostéogr. Cét. t. 12 & t. 13. figs. 1-10.

Inhab. North Sea.

2. Balænoptera velifera.

Balænoptera velifera, Cope, Proc. Acad. Nat. Sci. Philad. 1869, p. 18, f. 9, 10.

Dorsal fin large.