RHITHRODONTOMYS. 271 



Measurements. Total length, 188; tail vertebrae, no; hind 

 foot, 21. 



a. otus (Rcithrodontomys!), Merr., Proc. Wash. Acad. Scien., in, 



1901, p. 555. 

 LARGE-EARED HARVEST MOUSE. 



Type locality. Sierra Nevada de Colima, State of Jalisco, Mexico. 

 Altitude, 6,500 feet. 



Genl. Char. "Size large, similar to R. levipes; ears decidedly 

 larger; tail longer. Skull similar, but rostrum slightly longer; bullae 

 averaging slightly larger." 



Color. Above fulvous and black, darkest on dorsal region; under 

 parts pale fulvous; tail dark brown above, whitish beneath; hands 

 pale brown; feet whitish; ears dark brown. 



Measurements. Total length, 202; tail vertebrae, 120; hind foot, 

 22. 



b. toltecus (Reithrodontomys!), Merr., Proc. Wash. Acad. Scien., 



in, 1901, p. 555. 

 TLALPAM HARVEST MOUSE. 



Type locality. Tlalpam, Federal District, Mexico. 



Genl. Char. "Similar to R. levipes, but larger ; color more yellowish 

 (less fulvous), and much more heavily lined with black hairs. Skull 

 narrower; zygomata less widely spreading anteriorly; nasals longer 

 and ending with premaxillae; bullae slightly larger." 



Color. Above yellowish brown lined with black, with a conspic- 

 uous dorsal line ; sides pale golden brown ; under parts grayish white ; 

 tail above pale brown, beneath whitish; hands and feet white; ears 

 pale brown. 



Measurements. Total length, 196; tail vertebrae, 106; hind foot, 

 21. 



269. inexpectatus (Rhithrodontomys) , Elliot, Pub. Field Columb. 



Mus., in, 1903, p. 145. Zoology. 

 PATZCUARO HARVEST MOUSE. 



Type locality. Patzcuaro, State of Michoacan, Mexico. 



Genl. Char. Similar to R. levipes, but whitish on under parts 

 instead of pale fulvous, and tip of tail white; ears large; tail long. 



Color. Upper parts mixed black and tawny ochraceous; sides 

 ochraceous buff; chin, upper part of throat, hands, and feet white; 

 under parts grayish white, slightly tinged with buff; limbs like sides; 

 tail above blackish brown, tip white, beneath whitish; ears naked, 

 dark brown, with a slight edging of pale brown and a tuft of ochra- 

 ceous hairs at base. 



