MILLER AND REHN : NORTH AMERICAN MAMMALS. 177 

 Family LEPORIDAE. 



Genus ROMEROLAGUS Merriam. 



1896. Romerolagus MERRIAM, Proc. biol. soc. Washington, x, p. 

 173. December 29, 1896. Type. Romerolagus nelsoni MERRIAM. 



Romerolagus nelsoni Merriam. 



1896. Romerolagus nelsoni MERRIAM, Proc. biol. soc. Wash- 

 ington, x, p. 173. December 29, 1896. 

 TYPE LOCALITY. West slope of Mount Popocatepetl, State of 



Mexico, Mexico. Altitude, 11,000 feet. 



According to an anonymous reviewer in Natural Science (x, p. 

 151, March, 1897) this animal received the name Lepus diaziin 1893 

 (Ferrari-Perez, Exposicion Internacional Columbiana de Chicago en 

 1893. Catalogo Comision Geografico-Explorada de la Republica 

 Mexicana, pi. 42, March, 1893). 



Genus LEPUS Linnaeus. 



1758. Lepus LINNAEUS, Syst. nat., x ed., i, p. 57. Type. Lepus 

 timidus LINNAEUS. 



Subgenus LEPUS Linnaeus. 



* Lepus americanus Erxleben. 



1777. \_Lepus~\ americanus ERXLEBEN, Syst. regni anim., i, p. 



330. 

 1885. Lepus americanus americanus TRUE, Proc. U. S. nat. 



mus., vn (1884), p. 601. 1885. 

 TYPE LOCALITY. Vicinity of Hudson Bay, Canada. 



* Lepus americanus bairdii (Hayden). 



1869. Lepus bairdii HAYDEN, Amer. nat., m, p. 115. May, 

 1869. 



