406 HYLIDA. 
113. Hyla congenita. 
Hyla (pe) congenita, Peters § Doria, Ann. Mus. Civ. Gen. xiii. 
1878, p. 427, pl. 6. f. 4, 5. 
Allied to H. rubella, but distinguished by a very distinct web 
between the fingers. Brown above, black-punctate, or with two 
irregular, more or less distinct, dark, longitudinal dorsal bands and 
a black lateral band. From snout to vent 36 millim. 
New Guinea. 
114. Hyla dentata. 
Hyla dentata, Keferst. Gotting. Nachr. 1868, p. 329, and Arch. f. 
Naturg. 1868, p. 150, pl. 8. f. 20 & 21. 
Tongue subcircular, entire and free behind. Vomerine groups 
subcircular, behind the level of the choane, the teeth on each of 
them arranged i in an arch the concavity of which 4 is turned forwards. 
Head moderate, a little broader than long; snout rounded, as long 
as the diameter of the orbit ; canthus rostralis distinct ; loreal region 
slightly oblique ; interorbital space broader than the upper eyelid ; 
tympanum very distinct, two thirds the diameter of the eye. 
Fingers webbed at the base; no distinct rudiment of pollex ; toes 
three-fourths webbed ; disks of fingers quite as large as the tympa- 
num, of toes smaller; subarticular tubercles moderate; a distinct 
fold along the inner edge of the tarsus. The hind limb being carried 
forwards along the body, the tibio-tarsal articulation reaches the 
tympanum, or not quite so far. Skin smooth, or slightly tuberculate 
above; belly and lower surface of thighs granulate; a strong fold 
across the chest. Brown or greyish olive above, minutely speckled 
with darker; a lighter zone on each side of the back; a dark streak 
extending along the canthus rostralis, through the eye, over the 
tympanum to beyond the shoulder; beneath whitish, immaculate. 
Male with a large brown, external subgular vocal sac. From snout 
to vent 48 millim. 
Eastern Australia, 
a-b. dQ. Sydney. G. Krefft, Esq. [P 
c-e, f-g. Hgr. & yg. Sydney. Mus. Godeftroy. 
115. Hyla ewingii. 
Hyla ewingii, Giinth. Cat. p. 111. 
Hyla ewingil, Dum. § Bib: p. 597 ; Jacq. §& Guichen. Rept. in Voy. 
au Péle Sud par Dumont d’ Urville, p. 26, pl. 1. £3; Steindachn. 
Novara, Amph. p. 62. 
calliscelis, Peters, Mon. Berl. Ac. 1874, p. 620. 
Tongue heart-shaped, free behind. Vomerine teeth in two sinall 
transverse or slightly oblique series between the choane. Head 
moderate, a little broader than long; snout rounded, as long as the 
diameter of the eye ; canthus rostralis distinct ; loreal region not or 
but very slightly concave; interorbital space as broad as, or a little 
