112 ROMEROLAGUS. SYLVILAGUS. 



Type locality. Uintah Mountains, Utah. 



Genl. Char. Upperparts uniformly colored, no gray. 



Color. Entire Upperparts clay-color, finely lined with brown; 

 head darkest, underparts cream-buff; hands and feet yellowish buff; 

 ears dark brown, edged with buff; buff-colored tuft of hairs inside. 

 Type in United States National Museum. 



Measurements. Total length, 202; hind foot, 26.6 (skin). No 

 skull. 



Family Leporidae. Hares, Rabbits. 



Genus Romerolagus (no). 



Romerolagus diazi (Ferrari-Perez). 



Lepus diazi Ferrari-Perez, Cat. Comis. Geogr. Explor. Repub. 

 Mexicana, 1893, pi. 42; Miller, Proc. Biol. Soc. Wash., XXIV, 

 1911, p. 228. 



Romerolagus nelsoni Merr., Proc. Biol. Soc. Wash., X, 1896, p. 173; 

 Elliot, Mamm. Middle Amer. and W. Indies, IV, Pt. I, F. C. M. 

 Pub. 1904, p. 412; Id., Check-List Mamm. N. Amer. Cont. 

 and West Indies, 1905, p. 339. 

 Type locality. Puebla, Mt. Iztaccihuatl, Mexico. 

 Geogr. Distr. Mt. Popocatapetl and Mt. Iztaccihuatl, State of 

 Mexico. 



Measurements. Total length, 311; hind foot, 48.6. Skull: 

 Greatest length, 60.4; zygomatic breadth, 29; intertemporal width, 

 9.8; length of nasals, 24.4; palatal length, 7.4; length of upper tooth- 

 row, n. 6; length of mandible, 38.1; length of lower toothrow, 12.1. 

 Ex type of R. nelsoni in the United States National Museum. 



The name of this rabbit was for a long time a moot question, whether 

 it should be the one here given or that of nelsoni conferred on it by 

 Merriam. The difficulty has been solved by Mr. Miller (/. c.). 



Genus Sylvilagus. 

 Subgenus B. Sylvilagus. 



Sylvilagus floridanus hitchensi Mearns. 



Sylvilagus floridanus hitchensi Mearns, Proc. U. S. Nat. Mus., 



XXXIX, 1911, p. 227. 

 Type locality. Smith's Island, Northampton County, Virginia. 



1 Employed in the Check-List as a subgenus. 



