. Catalogue of seals and whales in the British Museum. British Museum (Natural History); Seals (Animals); Whales. 7. SIBBALDIUS. 171 jaws slightly curved and scarcely wider than the edge of the upper ones. Pectoral fin one-eighth of the entire length, and rather more than one-third, and the dorsal nearly three-fourths, from the nose. The length was 31 feet 1 inch, from nose to the eye 2 feet 9 inches, to blower 3 feet 11 inches, to pectoral 3 feet 6| inches, to the front of the dorsal 19 feet 2 inches, to the vent 21 feet. Balfena rostrata, Rtidolphi, Bed. Abhandl. 1820, t. 1 Tnot Hunter); Brn
. Catalogue of seals and whales in the British Museum. British Museum (Natural History); Seals (Animals); Whales. 7. SIBBALDIUS. 171 jaws slightly curved and scarcely wider than the edge of the upper ones. Pectoral fin one-eighth of the entire length, and rather more than one-third, and the dorsal nearly three-fourths, from the nose. The length was 31 feet 1 inch, from nose to the eye 2 feet 9 inches, to blower 3 feet 11 inches, to pectoral 3 feet 6| inches, to the front of the dorsal 19 feet 2 inches, to the vent 21 feet. Balfena rostrata, Rtidolphi, Bed. Abhandl. 1820, t. 1 Tnot Hunter); Brnndt i^f Ratzeb. Med. Zool. i. 119. t. 15. f. 3, t. 16. f. 12; Gray, Cat. Cetac. B. M. Rorqual du Nord, Cuvier, Oss. Foss. v. 5G4. t. 26. f. 6 (copied from BudolpJii). BalfBnoptera laticeps, Gray, Zool. E. 8f T. (from Rudolphi); Cat. Cetac. B. M. 37. Balsena borealis (part.), Fischer, Syn. 524 (from Cuvier). Balsena Physalus (part.), ISiihson, Scand. Fauna, 635. Pterobalsena Boops (part.), Eschricht, K. Dansk. Vid. Selsk. 1849, 130, 131. Baljenoptera borealis (part.), Rapp, Cetac. 51. Inhab. North Sea. Holstein, 1819 (EudoJpJd) ; skeleton in Mus. Berlin, 31 feet long. Zuyder Zee, 1816, skeleton in Mus. Leyden. Fig. First rib of Sibhaldius laticeps. (From Rudolphi.) The blade-bones with an elongated coracoid process, bent up to- wards the upper edge of the bone, and oidy a very rudimentary acromion; the upper edge arched; the ends acute, the hinder one rather produced. The forearm-bones are slender, rather dilated at each end, more than twice the length of the short thick humerus; the ulna with a rounded dilatation on the upper end (olecranon). Fingers 4, moderately long; the two middle longest, subequal, each of seven joints; the first shorter, of four joints; and the fourth shorter still, of three joints.—Rudolphi, t. 1. f. 1. Entire length 31 feet 1 inch. Length from nose to front of eye 5 feet 3 inches, to pectoral fin 9 feet, to dorsal fin 19 feet 2 inches, to vent 21
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