112 ROMEROLAGUS. SYLVILAGUS. 



Type locality. UiiHuh Mountains, Utah. 



Gcnl. Char. I'pperparts unifonnly colored, no gray. 



('"//. Entire uppcrparts clay-color, finely lined with brown; 

 head darkest, underparts crcam-bufT; 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 Leporidse. Hares, Rabbits. 



Genus Romerolagus (no). 



Romerolagus diazi (Ferrari-Perez). 



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

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

 IQII, 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. Com. 

 and West Indies, 1905, p. 339. 

 Type locality. Pucbla, 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, 1 1. 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 Mrarns. 



Sylvilagus Jloritlunus liitchcnsi Mrarns, Proc. U. S. Nat. Mus., 



XXXIX, 1911, p. 227. 

 Type locality. Smith's Island, \'i >rl Hampton County, Virginia. 



1 Employ*.-'! in the Chcc-k-l. 



