406 



DASYPROCTA. 



Measurements. Total length about 430; hind foot, 90. Skull: 

 occipito-nasal length, 108; greatest zygomatic width, 50; mastoid 

 width, 46; length of Hensel, 79; palatal length, 14; length of upper 

 tooth row (crown), 19; length of frontals, 40; height of lower jaw at 

 condyle, 28. 



423. callida (Dasyproctd) , Bangs, Am. Nat., xxxv, 1901, p. 635. 

 CUNNING AGOUTI. 



Type locality. San Miguel Island, Bay of Panama. 



Genl. Char. Color pale; rump hairs white-tipped. Skull slender; 

 rostrum long; nasals narrow. 



Color. Upper parts with the hairs annulated with yellowish and 

 black, giving a yellowish clay as the general color; more ochraceous 

 in middle of back; rump hairs long, black with white tips; under 

 parts soiled white, hairs annulated with drab; fore and hind feet 

 brownish black. 



Measurements. Total length, 420-510; tail vertebrae, 20-30; 

 hind foot, 96-105; ear from notch, 33-38. Skull: basal length, 85.4; 

 occipito-nasal length, 98.6; zygomatic width, 44; mastoid width, 32; 

 interorbital constriction, 26.2; length of nasals, 38; width of nasals, 



FIG. LVI. DASYPROCTA ISTHMICA. ISTHMIAN AGOUTI. 



