268 RHITHRODONTOMYS. 



Color. Above pale ferrugineous brown mixed with black; nose, 

 upper lip, and under parts white; hands whitish brown; feet grayish 

 brown; tail above dark brown, paler beneath. 



Measurements. Total length, 197; tail vertebrae, 119; hind 

 foot, 21. 



262. goldmani (Reithrodontomys!}, Merr., Proc. Wash. Acad. Scien., 



in, 1901, p. 552. 

 GOLDMAN'S HARVEST MOUSE. 



Type locality. Metlaltoyuca, State of Puebla, Mexico. Altitude, 

 800 feet. 



Genl. Char. Size small; similar in color to R. costaricensis, paler. 



Color. Above ochraceous fulvous, darkest on crown; side of 

 nose, upper lip, chin, and under parts white; tail dusky; hands 

 whitish; ankles and feet brownish; ears light brown. 



Measurements. Total length, 190; tail, 109; hind foot, 21.5. 



263. rufescens (Reithrodontomys!}, Allen & Chapman, Bull. Amer. 



Mus. Nat. Hist., 1897, p. 199. 

 RUFOUS HARVEST MOUSE. 



Type locality. Jalapa, State of Vera Cruz, Mexico. 



Geogr. Distr. State of Vera Cruz, Mexico. 



Genl. Char. Similar to R. mexicanus, but larger; ears black. 



Color. Upper parts rufous mixed with black, darkest on median 

 line; sides orange rufous; chin, throat, and inside of arms whitish; 

 rest of under parts orange buff to buffy gray; ears black or blackish; 

 tail above blackish, paler beneath; hands and feet dusky. 



Measurements. Total length, 177; tail vertebras, 99; hind foot, 

 20. Skull: total length, 23; basal length, 18.7; zygomatic width, 

 11.3; interorbital constriction, 3.5; length of nasals, 9; palatal length, 

 9; length of upper tooth row, 3.6. (ex Type.) 



264. tenuirostris (Reithrodontomys!}, Merr., Proc. Wash. Acad. 



Scien., in, 1901, p. 547. 

 SLENDER-NOSED HARVEST MOUSE. 



Type locality. Todos Santos, Guatemala. Altitude, 10,000 feet. 



Genl. Char. Size large; tail long; braincase contracted ante- 

 riorly; rostrum and nasals long, slender, latter equal in length to 

 premaxillae. 



Color. Above deep fulvous, grading into ferrugineous on lower 

 back; beneath salmo* fulvous; chin whitish; tail dusky; hands and 

 wrists, ankles, and feet dark brown; ears blackish brown. 



Measurements. Total length, 210; tail vertebras, 124; hind foot, 

 23. Skull: basal length, 20; zygomatic breadth posteriorly, 13; 

 palatal length, 11.5; length of molar series. 4.5. (ex Type.) 



