BARBOUR AND NOBLE: AMPHIBIANS FROM PERU. 409 



jahrb. Suppl., 1897, 4, p. 263) of T. aemaricus and T. marmoraius 

 in Chile certainly require confirmation. The status of the genus in 

 Chile is not at all clear. 



Key. 



A. Skin warty, at least provided with strong tubercles. 

 B. Vomerine teeth in two small groups. 



C. Tibiotarsal articulation reaching the tip of the snout; color above 



brownish grey spotted with dark brown. . . .verrucosus Werner. 



CC . Tibiotarsal articulation reaching the angle of the mouth ; color above 



uniform blue-gray hauthali Koslowsky . 



BB. Vomerine teeth absent or barely visible. 



C. Entire upperside of legs provided with tubercles, a distinct color- 

 pattern peruvianus Wiegmann. 



CC. Tubercles on the legs restricted to the dorsal side of the tibia, no 



distinct color-pattern pustulosus (Cope). 



AA. Skin smooth or granular. 



B. A strong supratympanic fold. 



C. Vomerine teeth prominent, in two large groups. 



D. Tympanum hidden niger Barbour & Noble. 



DD. Tympanurn present ignavus Barbour & Noble. 



CC. Vomerine teeth present or absent, generally in two very small groups. 

 D. Skin very loose, large femoral flaps; tibiotarsal articulation 

 reaches only to the corner of the mouth. . . .cu'eus (Garman). 

 DD. Skin loose only on the sides. 



E. Ventral coloration uniform pale below aemaricus (Cope). 



EE. Ventral coloration sooty grey pale on throat only. 



jelskii (Peters). 

 BB. No supratympanic fold. 

 C. Vomerine teeth absent. 



D. Toes fully webbed monlanus Philippi. 



DD . Toes one quarter webbed laevis Philippi. 



CC. Vomerine teeth present. 



D. Tibiotarsal articulation not reaching the eye; color above brown 



mottled with black ". .marmoraius (DumSril & Bibron). 



DD. Tibiotarsal articulation extending to the anterior edge of the eye; 

 color uniform brown above angustipes (Cope). 



Telmatobius VERRUCOSUS Wemer. 



Telmatohius verrucosus Werner, Zool. anz., 1899, 22, p. 482. 



Diagnosis (extracted from original description). Vomerine teeth in two 

 round groups between the choanae. Tympanum hidden. Toes webbed to the 



