196 RHITHRODONTOMYS. 



Genl. Char. Similar to R. longicaudus, but larger; hind foot very 

 much larger. 



Color. Top of head and dorsal region brownish black or b\ifE 

 mixed, the black predominating; sides cream buff; lateral line indis-' 

 tinct cream buff; under parts, hands, and feet white, plumbeous of 

 under fur showing ; large cream buff spot on breast ; tail above blackish, 

 beneath soiled white; ears brown. 



Measurements. Total length, 155.7; tail vertebrae, 83.8; hind 

 foot, 19.5. 



450. Rhithrodontomys klamathensis Merriam. 

 Reiihrodontomys! klamathensis Merr., N. Am. Faun., No. 16, 1899, 



p. 93. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 152. Zool. Ser. 

 Klamath Harvest Mouse. 



Type locality. Big Spring, Shasta Valley, Siskiyou Coimty, Cali- 

 fornia. 



Geogr. Distr. Shasta Valley, California, and Klamath County, 

 Oregon. 



451. Rhithrodontomys arizonensis Allen. 



Reiihrodontomys! longicaudus Allen, Bull. Am. Mus. Nat. Hist. 



N. Y., 1894, p. 320. Ex Arizona, (nee Baird.) 

 Reiihrodontomys! arizotiensis Allen, Bull. Am. Mus. Nat. Hist. 

 N. Y., 1895, P- 134- Elliot, Syn. N. Am. Mamm., F. C. M. 

 Pub., II, 1901, p. 153. Zool. Ser. 

 Arizona Harvest Mouse. 



Type locality. Chiricahua Mountains, Cochise Cotmty, Arizona. 

 Altitude, 8,000 feet. 



Geogr. Distr. Southeastern Arizona. 



452. Rhithrodontomys saturatus Allen and Chapman. 

 Reiihrodontomys! saturatus Allen & Chapman, Bull. Am. Mus. 



Nat. Hist. N. Y., 1897, p. 201. 

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



Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 262. Zool. Ser. 

 Las Vigas Harvest Mouse. 



Type locality. Las Vigas, State of Vera Cruz, Mexico. 



Geogr. Distr. State of Vera Cruz, Mexico. Range unknown. 



a. Rhifhrodontomys saturatus cinereus Merriam. 



Reiihrodontomys! saturatus cinereus Merr., Proc. Wash. Acad. 



Scien., iii, 1901, p. 556. 

 Rhithrodontomys saturatus cinereus EUiot, Mamm. Middle Amer. 



& W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 262. Zool. Ser. 



