1913.] NATURAL SCIENCES OF PHILADELPHIA. 163 



slender, fourth much longest. First toe with slight basal dilation. 

 Metatarsal tubercles hardly developed.? Hind edge of tarsus with 

 slight low fold. 



Color in alcohol brownish above, slightly paler below, though latter 

 region also clouded slightly with brownish. A dark band connects 

 •eyes anteriorly, and another extends from hind edge of each eye as 

 W-shaped marking. Behind this several dark blotches on back, 

 first with angle directed forward. Several dark blotches along each 

 side of trunk. Femoral and tibial joints each with four transverse 

 dark blotches. Feet and upper surfaces of fore limbs with dark 

 blotches. All dark markings of upper surface with pale or grayish 

 edges. A dark bar above each tympanum and another from front 

 of eye to snout tip. 



Length 32 mm. 



Type, No. 18,244, A. N. S. P. Pagma Forest in the Chanchan 

 River basin, province of Chimborazo, Ecuador. April, 1911. S. N. 

 Rhoads. 



Paratype, No. 18,179, A. N. S. P. From the camp at the Junction 

 ■of the Chiguancay and Chanchan Rivers. This example differs 

 only in details of coloration and such characters as may result from 

 age. Length 21 mm. 



Hylodes achatinus Boulenger,^ based on a female 50 mm. long, is 

 related. It is, however, described and figured with the tongue 

 notched behind. Its color design is different, partially suggestive of 

 the present species, as if unfinished. 



Hylodes surdus Boulenger,^ has no tympanic disk, nostrils nearly 

 ■equally distant from eye and snout tip, and first finger shorter than 

 second. 



Hylodes whymperi Boulenger,i° has the tympanum, first finger 

 shorter than second, skin of back tubercular, and coloration different. 



Hylodes unistrigatus Giinther,^^ has the tympanum not quite half 

 diameter of eye, and a strong fold across the chest. 



Hylodes huckleyi Boulenger,!^ has the snout equal to the eye, 

 tympanum a little over a third length of eye, toes free and slightly 

 fringed, and skin above with smooth warts. 



8 Proc. Zool. Soc, London, 1898, p. 120, PI. 15, figs. 2-2a. Cachabe 



9 Cat. Bat. Sal., 1882, p. 212, PI. 14, fig. 3. W. Ecuador. 

 ^° L. c, p. 218. Tortorillas and Cotocachi. 



11 Proc. Zool. Soc, London, 18.59, p. 416. W. Ecuador. 

 i2 Cat. Bat. Sal., 1882, p. 217, PI. 14, fig. 5. Intac. 



