AVES ERYATIAGs 393 
lower legs with brown cross bands; lower parts whitish, throat 
brown. Male with two large external vocal sacs, one on each side 
of the throat. From snout to vent 32 millim. 
Brazil. 
a oS. Brazil. _ Dr. A. Giinther [P.]. (Type.) 
82. Hyla parviceps. (Prats XXV. fig. 3.) 
Tongue circular, nicked and free behind. Vomerine teeth in two 
transverse groups just behind the level of the choane. Head very 
small, a little broader than long; snout as long as the diameter of 
the eye, clevated, vertically truncate; canthus rostralis distinct ; 
loreal region nearly vertical; eye large ; interorbital space broader 
than the upper eyelid; tympanum distinct, one third the diameter 
of the eye. Three outer fingers one-third webbed; no projecting 
_ rudiment of pollex ; toes nearly entirely webbed; disks as large as 
the tympanum; subarticular tubercles very indistinct. .The hind 
limb being carried forwards along the body, the tibio-tarsal articu- 
lation marks the front of the eye. Skin smooth, indistinctly 
granulate on the belly. Olive-brown above, turning to reddish on 
the back, with darker markings, viz. a broad streak along the 
canthus rostralis, a vase-shaped marking on the back of the head and 
nape (the anterior border between the eyes), and two oblique streaks 
on sacral region; limbs and sides blackish, with large white spots ; 
a large white space on throat and front part of belly white, the 
remaining parts blackish, From snout to vent 26 millim. 
Ecuador. 
a. 9. Sarayacu. Mr. Buckley [C. ]. 
83. Hyla sordida. 
Hyla sordida, Peters, Mon. Berl. Ac. 1863, p. 460. 
Tongue round, openly emarginate behind. Vomerine teeth in 
two small transverse series in the middle between the choane. 
Snout rounded, as long as the diameter of the eye; canthus rostralis 
rounded; tympanum one third the diameter of the eye. Three 
outer fingers about two-thirds webbed ; toes nearly entirely webbed ; 
disks well developed. The hind limb being carried forwards along 
the body, the tibio-tarsal articulation reaches nearly the tip of the 
snout. Skin smooth above, granulate beneath. Bluish grey above, 
when seen with a magnifier finely punctate; the sides of the body 
and the hinder side of the thighs finely white- and brown-marbled ; | 
limbs cross-barred ; beneath white. Male with a subgular vocal 
sac. From snout to vent 34 millim. 
Veragua. 
