150 REITHRODONTOMYS. 



h.—dichinsoni. i^Reithrodontomys), Rhoads, Am. Nat. 1895, xxlx., 

 P- 590- 



Type locality. Willow Oak, Pasco County, Florida. 



Geogr. Distr. Southern portion of Florida Peninsula. 



Color. Above sooty gray, darkest along back and rump; sides 

 tinged with brown; under parts and feet grayish; tail above same as 

 back, beneath grayish. 



Measurements. Spec, from Enterprise, Florida, in Field Colum- 

 bian Museum. Total length, 125; tail vertebrae, 61 ; hind foot, 16. 



206. merriami. {Reithrodontomys), Allen, Bull. Amer. Mus. Nat. 



Hist., 1895, p. iig. 



Type locality. Austin Bayou, Alvin, Texas. 



Geogr. Distr. Coast district of southwestern Louisiana to Bra- 

 zoria County, Te.xas. 



Genl. Char. Similar to R. lecontfi, but smaller, shorter tail and 

 darker color. 



Color. Above yellowish gray brown, darker on median line: 

 sides yellowish gray, faint buffy lateral line. Beneath whitish gray 

 washed with buff; tail blackish above, dusky gray beneath. 



Measurements. Total average length, 112; tail vertebrae, 52; 

 hind foot, 16.2; ear, 8.5. 



207. dychei. {Reithrodo>ilomys), Allen, Bull. Amer. Mus. Nat. Hist., 



1895, p. 120. 



humilis, Coues, Proc. Acad. Nat. Scien. Phil., 1874, p. 185 (nee 

 Aud. & Bachm.). 



Type locality. Lawrence, Kansas. 



Geogr. Distr. Kansas east to St. Louis, Missouri; south to 

 western Oklahoma Territory; north to Nebraska and southwestern 

 Iowa. 



Genl. Char. Resembling R. megalotis, but darker, smaller, and 

 with more spotted ears. 



Color. Above mouse gray lined with black; fulvous on side, 

 with indistinct lateral line ; underneath whitish. Dusky spot on 

 outer surface of ear near base, and one at base internally. Tuft of 

 yellowish brown hairs in front of anterior base of ears. Tail dusky 

 above, grayish white beneath. Feet white. 



n .—nebracensis. (ReithroJontomys), Allen, Bull. Amer. Mus. Nat. 

 Hist., 1895, p. 122. 



Type locality. Canon City, Colorado. 



Geogr. Distr. Fremont County, Colorado, north to Custer, 

 Montana, east to central and northeastern Nebraska. 



