166 BULLETIN 138, UNITED STATES NATIONAL MUSEUM. 



Genus HALICHCERUS Nilsson. (Gray Seals.) 



1820. Halich(£rus Nilsson, Skand. Fauna, vol. 1, p. 376. Type, 

 flalicJicerus (jriseu-s Nilsson =^ P^oca (jnjjms Fabricius. 



*Halichoerus grypus (Fabricius). 



1791. Phoca grypus Fabricius, Skrivter af Naturhist.-Selskabet, 



Kj0benhaYn, vol. 1, pt. 2, p. 167, pi. 13, fig. 4. 

 1841. Haliclimrus (jrypiis Nilsson, Wiegmann's Arch. f. Naturg., 



VII, vol. 1, p. 318. 

 1885. Halichoerus grypus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 607. 1885. 

 Type Locality. — Greenland. 



Genus CYSTOPHORA Nilsson. (Hooded Seals.) 



1820. Cystophora Nilsson, Skand. Fauna, vol. 1, p. 382. Type, 

 CystopJiora horealis Nilsson --= PAoca cristata Erxleben. 



1911. Cystophoca Brass, Aus dem Reiche der Pelze, p. 668. 

 (Renaming, perhaps accidental, of Cystophora.) 



*Cystophora cristata (Erxleben). 



1777. [Phoca] cristata Erxleben, Syst. Regni Anim., vol. 1, p. 



590. 

 1841. CystopJiora cristata Nilsson, Wiegmann's Arch. f. Naturg., 



VII, vol. 1, p. 326. 

 1885. Cystophora cristata True, Proc. U. S. Nat. Mus., vol. 7, 



(1884), p. 608. 1885. 

 Type Locality.— Southern Greenland and Newfoundland. 



Genus MIROUNGA Gray. (Sea-elephants.) 



1826. Macrorhinus Geoffroy and Cuvier, Diet, des sci. nat., 

 vol. 39, p. 552. Type, Phoca prohoscidea Peron = P. leonina 

 LiNN.EUs. (Not of Latreille, 1825.) 



1827. Mirounga Gray, Griffith's Cuvier, Anim. Kingd., vol. 5, 

 p. 179. Type, Phoca prohoscidea Peron. 



t*Mirounga angustirostris (Gill). 



1866. Macrorhinus angustirostris Gill, Proc. Chicago Acad. 



Sci., vol. 1, p. 33. , 



1885. Macrorhinus angustirostris True, Proc. U. R. Nat. Mus., 



vol. 7 (1884), p. 608. 1885. 

 1904. [Mirounga] angustirostris Elliot, Field Columb. Mus. 



publ. 95, zool. ser., vol. 4, pt. 2, p. 545. 

 Type Locality. — St. Bartholomew's Bay, Lower California, 

 Mexico. 



