NOKTH AMERICAN LAND MAMMALS. 125 



Genus HALICHCERUS Nilsson. 



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

 Halichoerus griseiis Nilsson = Plwca grypus Fabricius. 



*Halichoerus grypus (Fabricius). 



1791. Phocagryjms Fabricius, Skrivtcr af Naturhist-Selskabet, 



Kjobenhavn, vol. 1, pt. 2, p. 1(37, pi. 13, fig. 4. 

 1841. Halichoerus gnjpus Nilsson, Wiegmann's Arch. f. 



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

 1885. nalichosriis gi^ypus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 607. 1885. 

 Type Locality. — Greenland. 



Genus MIROUNGA Gray. 



182G. Macrorhinus F. Cuvier, Diet, des sci. nat., 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, PJioca 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 = Phoca cristata Erxleben. 



*Cystophora cristata (Erxleben). 



1777. [Phoca] cns^ato Erxleben, Syst. Regni Anim., vol. 1, p. 590. 

 1841. Cystophora 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 Grcciilantl and Newfoundland. 



