6. HYLELLA.—7. NYCTIMANTIS. _ 421 
loreal region oblique; tympanum very small, about one fourth the 
diameter of the eye. Fingers webbed at the base ; toes two-thirds 
webbed ; disks moderate, those of the fingers equalling the tym- 
panum in diameter. Skin smooth, belly and lower surface of thighs 
granulate; a fold from axilla to groin. Light violet-grey above, 
light yellow beneath. 
Tehuantepec. 
5. Hylella bicolor. 
Hyperolius? bicolor, Giinth. Cat. p. 89, 
Eucnemis bicolor, Gray, Zool. Mise. p. 5. 
Hylomantis fallax, Peters, Mon. Berl. Ac. 1880, p. 224, pl. 1. f. 4. 
Tongue suboval, slightly nicked. Head as broad as long; snout 
subtriangular, rather prominent, as long as the diameter of the 
orbit; canthus rostralis distinct ; loreal region vertical ; imterorbital 
space broader than the upper eyelid; tympanum distinct, about 
half the diameter of the eye. Fingers webbed’ at the base, first 
shorter than second; toes nearly entirely webbed; disks smaller 
than the tympanum; subarticular tubercles moderate. The hind 
limb being carried forwards along the body, the tibio-tarsal articu- 
lation reaches the tip of the snout, or not quite so far. Skin smooth, 
belly and lower surface of thighs granulate; a strong fold across 
the chest. Bluish above, immaculate or dotted with blackish; a 
blackish streak on canthus rostralis and temporal region ; a white 
band from below the eye to the shoulder, sometimes continued along 
the side of the body ; beneath whitish, immaculate. Male with an 
external subgular vocal sac. 
Australias ° 
aa Or Port Essington. (Type.) 
bro Cape York. Hr. Damel [C.]. 
ead. 3 2. Port Denison. G. Krefft, Esq. [C.}. 
£30, Blue Mountains. G. Krefft, Esq. | C. ]. 
oe Brisbane. G. Krefft, Esq. [C.]}. 
g-h. S. Peak Downs. Mus. Godeffroy. 
6. Hylella nigropunctata. 
Hyperolius nigropunctatus, Meyer, Mon. Berl. Ac, 1874, p. 189, 
Allied to H. bicolor. Head short; snout very obtuse; loreal 
region high, slightly convex; tympanum one fourth the diameter 
of the eye. ‘Tibio-tarsal articulation reaching beyond the tip of 
the snout. Skin warty. Blue above, dotted with black; hind 
limbs with black cross bars; humerus white; breast white, belly 
and lower surface of thighs yellowish. 
Jobi, New Guinea. 
7. NYCTIMANTIS. 
Pupil erect. Tongue subcircular, scarcely free behind, entire. 
