NORTH AMERICAN LAND MAMMALS. 125 



Genus HALICHCERUS Nilsson. 



1820. HalicJimrus Nilsson, Skand. Fauna, vol. 1, p. 370. Type, 

 Halichcerus griseus Nilsson =Phoca grypus Fabricius. 



*Halichoerus grypus (Fabricius). 



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



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

 1841. Halich(Brus grypus Nilsson, Wiegmann's Arch. f. 



Naturg., VII, vol. 1, p. 318. 

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



(1884), p. 607. 1885. 

 Type Locality. — Greenland. 



Genus MIROUNGA Gray. 



1826. Macrorhinus F. Cuvier, Diet, des sci. iiat., vol. 39, p. 552. 

 Type, Phoca prohoscidea Peron = P. leoninus Linn^us. (Not 

 of Latreille, 1825.) 



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

 p. 179. Type, Phoca prohoscidea Peron. 



f*Mirounga angustirostris (Gill). 



1866. Macrorhinus angustirostris Gill, Proc. Chicago Acad. 



Sci., vol. 1, p. 33. 

 1885. Macrorhinus angustirostris True, Proc. U. S. 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. 



/ 

 Genus CYSTOPHORA Nilsson. >- ' 



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

 Cystophora borealis Nilsson = P/ioca cristata Erxleben. 



*Cystophora cristata (Erxleben). 



1777. [Phoca] cristata Erxleben, Syst. Regni Anim., vol. 1, p. 590. 

 1841. Cystophora cristata Nilsson, Wiegmann's Ai'ch. 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. 



