NORTH AMERICAN RECENT MAMMALS. 505 



*Rhachianectes glaucus (Cope). (Gray whale.) 



1868. Agaphelus glacus Cope, Proc. Acad. Nat. Sci. Philadelphia, 

 p. 160. 



1869. RJiachianectes glaucus Cope, Proc. Acad. Nat. Sci. Phila- 

 delphia, p. 15. 



1885. Rhachianectes glaucus True, Proc. U. S. Nat. Mus., vol. 



7 (1884), p. 590, 1885. 

 Type Locality. — Monterey Bay, California. 



Family BAL.ENOPTERIDAE . 



Subfamily BAL^NOPTERiNiE. (Finbacks.) 



Genus BAL^ENOPTERA Lacepede.'" 



1804. Balsenoytera Lacepede, Hist. Nat. des Cetacees; tabl. des 

 ordres, genres et especes, p. xxxvi. Type, by subsequent 

 selection (Flower, Proc. Zool. Soc. London, 1864, p. 395), 

 Bcdscna rostrata FABUicivfi ==Bahr;noptera acutorostrata Lace- 

 pede. 



♦Balsenoptera physalus (Linm\?us). (Common Finback.) 



1758. [Balxna] physalus Linn-eus, Syst. Nat., ed. 10, vol. 1, 



p. 75. 

 1862. Balsenoptera physalus Schlegel, De Dieren van Nederland, 



Zoogdieren, p. 101. 

 1885. Physalus antiquorum, Sihhaldius tuherosus, S. tectirostris, 



and 5. veliferm True, Proc. U. S. Nat. Mus., vol. 7 (1884), 



p. 591, 1885. 

 1898. Bali£iioptera physalus True, Proc. U. S. Nat. Mus., vol. 21, 



p. 633. November 4, 1898. 

 1901. [Balxnoptera velifera] copei Elliot, Synopsis Mamin. N. 



Amer., p. 13. March, 1901. (Shumagin Islands, Alaska.) 

 Type Locality. — Spitzbergen seas. (See Thomas, Proc. Zool. 



Soc. London, 1911, p. 156.) 



*Balaenoptera borealis Lesson. (Pollack whale.) 



1828. Balsenoptera horealis Lesson, Hist. Nat. Gen. et Partic. 



Mamm. et Oiseaux, Cetaces, p. 342. 

 1885. Sihhaldius laticeps Trl^e, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 591, 1885. 

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



p. 635. November 4, 1898. 

 Type Locality. — Gromitz, Liibeck Bay, Schleswig-Holstein, 



Germany. 



■> Revised by True, The Whalebone Whales of the Western North Atlantic (Smithsonian Contribu- 

 Uoas to Knowledge, vol. 33\ pp. 107-210, Aug. 29, 1904. 



