RHITHRODONTOMYS. 193 



Whitish Harvest Mouse. 



Type locality. Eighteen miles northwest of Kennedy, Cherry 

 County, Nebraska. 



Geozr. Distr. Northern Nebraska. Range unknown. 



Genl. Char. Size small ; tail short ; color pale ; ears with two black 

 spots. 



Color. Above plain gray, or tinged with buff; sides pale buffy 

 gray; lateral line pinkish or cream buff; sides of nose, lower part of 

 cheeks, throat, forelegs, and under parts pure white; tail bicolor; 

 feet above white. 



Measurements. Total length, 125; tail vertebrae, 53.5; hind foot, 

 16.6. Skull: basal length, 15.7; occipito-nasal length, 19.7; length 

 of nasals, 17.4; zygomatic breadth, 10.5; mastoid breadth, 9. 



444. Rhithrodontomys montanus (Baird). 



Reithrodon! montanus Baird, Proc. Acad. Nat. Scien. Phil., 1855, 



P- 335- 

 Reithrodontomys ! ynontanus Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 151. Zool. Ser. 



Mountain Harvest Mouse. 



Type locality. Upper end of the San Luis Valley, Saguache 

 County, Colorado. 



Geogr. Distr. Known only from the type locality. 



445. Rhithrodontomys megalotis (Baird). 



Reithrodon! megalotis Baird, N. Am. Mamm., 1857, p. 451. 

 Reithrodontomys! aztecus Allen, Bull. Am. Mus. Nat. Hist. N. Y., 



1893, p. 79. 

 Reithrodontomys! megalotis deserti Allen, Bull. Am. Mus. Nat. 



Hist. N. Y., 1895, P- 127. 

 Reithrodontomys! megalotis P^lliot, Syn. X. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 151. Zool. Ser. 

 Rhithrodontomys megalotis Elliot, Mamm. Middle Amer. & W. 

 Indies, F, C. M. Pub., iv, Pt. i, 1904, p. 259, figs. 43, xli. 

 Zool. Ser. 

 Big-eared Harvest Mouse. 



Type locality. Between Janos and San Luis Spring, State of 

 Sonora, Mexico, near boundary of Grant County, New Mexico. 



Geogr. Distr. States of Sonora and Chihuahua, Mexico, north to 

 Nevada. 



a. lihifhrodojiiomys megalotis sestinensis Allen. 



Reithrodontomys! megalotis sestinensis Allen, Bull. Am. Mus. Nat. 

 Hist. N. Y., 1903, p. 602. 



