506 BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



*Balaenoptera acutorostrata Lacepede. (Pike whale.) 



1804. Balsenoptera acuto-rostrata Lacepede, Hist., Nat. des 



Cetacees; tabl. des ordres genres et especes, p. xxxvii. 

 1885. Agaphelns gibhosus, Balsenoptera rostratus, and ^B. david- 



soni True, Proc. U. S. Nat. Mus., vol. 7 (1884), pp. 590, 591. 



1885. 

 1898. Balsenoptera acuto-rostrata Thomas, The Zoologist, ser. 4, 



vol. 2, p. 99. March, 1898. 

 Type Locality. — European seas. 



Genus SIBBALDUS Gray. 



N 



1864. Sihhaldus Gray, Proc. Zool. Soc. London, 1864, p. 222. 

 Type, by tautongmy, Sihhaldus horealis Gray = PhysaliLS 

 sibhaldii Gray = Balsena musculus Linnaeus. 



*Sibbaldus musculus (Linnaeus). (Blue whale. Sulphur-bottom.) 

 1758. [Balsena] musculus Linn^us, Syst. Nat., ed. 10, vol. 1, 



p. 76. 

 1885. Physalus sibhaldii and Sihhaldius sulfureus True, Proc. 



U. S. Nat. Mus., vol. 7 (1884), p. 591. 1885. 

 1898. Balsenoptera musculus True, Proc. U. S. Nat. Mus., vol. 21, 



p. 633. November 4, 1898. 

 1923. Sihhaldus musculus Miller, Smiths. Misc. Coll., vol. 76, 



No. 5, p, 20. August 31, 1923. 

 Type Locality. — Firth of Forth, Scotland. (See Thomas, 



Proc. Zool. Soc. London, 1911, p. 156.) 



Subfamily MEGAPTERINvE. (Humpbacks.) 



Genus MEGAPTERA Gray. 



1846. Megaptera Gray, Zool. Voy. PI. M. S. Erebus and Terror, 

 vol. 1, Mamm., p. 16. Type, Balsena nodosa Bonaterre. 



*Megaptera nodosa (Bonaterre). 



1789. [Balsena] nodosa Bonaterre, Tabl. Encyclop. et Method. 



Regnes Nature, Cetologie, p. 5. 

 1885. Megaptera longimana, M. bellicosa, and M. versabilis 



True, Proc. U. S. Nat. Mus., vol. 7 (1884). p. 591. 1885. 

 1901. [Megaptera] nodosa Elliot, Synopsis Mamm. N. Amer., 



p. 10. March, 1901. 

 Type Locality. — Coast of New England. 



