98 BULLETIN 160, UNITED STATES NATIONAL MUSEUM 



area; and one between the former and the latter on hinder half 

 of back; canthus rostralis fairly distinct; loreal region oblique, 

 flattened; snout acuminate; interorbital space much wider than 

 upper eyelid; tongue subovate; vomerine teeth in two slightly 

 oblique series well behind the choanae, well separated from 

 each other, and each series not extending outward beyond level 

 of inner margin of corresponding choana; horizontal diameter 

 of tympanum two-thirds, three-fourths, or almost equal to 

 diameter of eye, and overhung by a dermal fold; first finger 

 generally a little longer than second, rarely shorter; two palmar 

 callosities, the outer with longitudinal groove; subarticular 

 tubercles continued backward on palmar surface; terminal disks 

 of fingers and toes very small; third and fifth toes equal in 

 length; supernumerary tubercles may or may not be continued 

 backward on plantar surface; two small metatarsal tubercles, 

 the inner larger than the outer; the hind limb being carried 

 forward along the body, the tibio-tarsal joint reaches beyond 

 anterior margin of eye and rarely beyond end of snout; upper 

 parts dark brown, reddish brown, or green (actually grayish 

 olive or brownish in alcohol) ; a narrow indistinct dark interor- 

 bital band behind light colored snout; a black streak, margined 

 above with a lighter color, commences at nostril and extends 

 backward along canthus rostralis to eye, and from eye back- 

 ward above tympanum to side or curving downward behind 

 tympanum; vent black; a pair of short black glandular ridges 

 in center of back, present or absent; forearm with at least one 

 dark cross band; posterior limbs obscurely cross-banded; un- 

 derparts white; head-and-body length, 28 to 36 mm — rhodopis (p. 112) 

 Tarsal fold normally absent; skin of hinder half of belly generally 

 areolate, occasionally smooth; under surface of thighs granular; 

 skin of upperparts either smooth or else roughened by dermal 

 ridges; exceedingly fine or inconspicuous dermal folds inclosing 

 an hourglass-shaped area on back may or may not be present; 

 a short dermal ridge along vertebral edge of scapula generally 

 present; discoidal fold normally present; canthus rostralis 

 fairly distinct and curved; loreal region oblique; snout rather 

 broad and acuminate; width of upper eyelid equal to or less 

 than interorbital space; vomerine teeth absent, hidden in the 

 gum, or represented by two short oblique groups well behind 

 and within level of inner margins of choanae; horizontal di- 

 ameter of tympanum one-half to two-thirds diameter of eye; 

 first finger generally shorter and rarely longer than second; two 

 palmar callosities, the outer generally unequally divided by a 

 longitudinal groove; subarticular tubercles continued backward 

 on palmar surface; terminal disks of fingers and toes slightly 

 developed, scarcely dilated; toes almost free, but with vestiges 

 of web at base; supernumerary tubercles may or may not be 

 continued backward on plantar surface; two metatarsal tu- 

 bercles, the inner one usually large, prominent, and com- 

 pressed, the outer one small and rounded; the hind limb 

 being carried forward along the body, the tibio-tarsal joint gen- 

 erally reaches beyond end of snout and rarely only to anterior 

 margin of eye; color of upperparts variable, grayish rose, 

 brownish gray, or grayish, marbled or mottled with some darker 

 tint, and separated from light-colored snout by a dark inter- 



