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

by John Edward Gray

5. SIBBALDIUS.

Sibbaldius, Gray, l. c. p. 175, 1865; Synops. Whales & Dolph. p. 3.

Flowerius, Lilljeborg, Nova Acta Upsal. vi. 1867.

Dorsal fin very small, far behind, and placed on a thick prominence. Ribs 14·14; first short, sternal end very broad and deeply notched. Sternum trifoliate, with a short broad hinder lobe. Scapula broad, with very long acromion and short slender coracoid process. Fingers ⸺?

1. Sibbaldius borealis.

Sibbaldius borealis, Gray, l. c. p. 175, fig. 39; Synops. Whales & Dolph. p. 3.

Flowerius gigas, Lilljeborg, Nova Acta Upsal. vi. 1867.

Inhab. North Sea.

Mr. Flower considers B. borealis, Cope, Proc. Acad. Nat. Sci. Philad. 1866, p. 297, from North Atlantic, as very nearly allied to Balænoptera Schlegelii.