REITHRODONTOMYS. 1&3 



213. arizonensis. {Reithrodontomys), Allen, Bull. Amer. Mus. Nat. 

 Hist., 1894, p. 320. 



Type locality. Chiricahua Mountains. 



Geogr. Dislr. Southeastern Arizona. 



Genl. Char. Similar to R. longiiauilas, but redder and larger. 



Color. Above brown lined with black and washed with reddish 

 fulvous, median dorsal tract darker; sides golden, forming a lateral 

 line from cheeks to tail; under parts and feet grayish white. Ears 

 blackish. Tail dusky above, gray below. 



Afeasurements. Total length, 152; tail vertebra', 78; hind foot, 

 1 8; ear, 13. 



a.—t.mejcic'inu'-) intermediui'. (Reilluodontomys), Allen, Bull. Am. 

 Mus. Nat. Hist., 1895, p. 136. 



Type locality. Brownsville, Texas. 



Geogr. Distr. Southern Texas, from Corpus Christi, southward; 

 Rio Grande Valley to mouth of Pecos, and east to Kerr, Bexar and 

 Bee counties, Texas. South into Mexico. 



Genl. Char. Smaller than R. mexicanus, and paler. 



Color. Above grayish brown, washed with pale yellowish, 

 mixed with dark hairs on middle of back, sides lighter; lateral line 

 yellowish. Beneath white. Ears brown, apical third of inner sur- 

 face rufous. Feet whitish. Tail dusky, nearly unicolor. 



Measurements. Total length, 194; tail vertebra?, 108; hind foot, 

 21 1 ear, 13. 



b.—'itcrnn.'ius. {Reithrodontomys), Allen, Bull. Amer. Mus. Nat. Hist., 



1895, P- 137- 



mexicanus, Coues, Rod., 1877, p. 128. 



Type locality. Lafayette, Louisiana. 



Geogr. Distr. Coast region of Texas from Matagorda County 

 northward and eastward to Houma, La., and north to Beebe. Ar- 

 kansas. 



Genl. Char. Similar to R. mexicanus, but more golden in hue. 



Color. Above yellowish brown, median area black; sides orange 

 rufous: beneath white washed with yellowish, and an indistinct ful- 

 vous spot on the breast. 



Measurements. Total length, 174; tail vertebrae, 95; hind foot, 

 20; ear, 12. 



214. laceyi. {Reithrodontomys), Allen, Bull. Am. Mus. Nat. Hist., 



1896, p. 235. 



Type locality. Watson's Ranch, near San .Vntonio, Texas. 

 Geogr. Distr. Southeastern Texas. 



