4. HYLA. 413 
127. Hyla nigrofrenata. (Piare XXVLI. fig. 2.) 
Hyla nigrofrenata, Ginth. Ann. § Mag. N. H. (3) xx. 1867, p. 56. 
Tongue suboval, slightly nicked and free behind. Vomerine teeth 
in two transverse groups on a level with the front part of the 
choane ; latter vertically elliptic. Habit slender. Head longer 
than broad; snout acuminate ; the distance between the eye and 
the nostril equals the diameter of the former; canthus rostralis 
distinct ; loreal region oblique, slightly concave; interorbital space 
a little broader than the upper eyelid; tympanum very distinct, 
two thirds the diameter of the eye. Fingers free, first extending 
slightly beyond second; no distinct rudiment of pollex; toes 
slender, two-thirds webbed ; disks very small; subarticular tubercles 
very prominent; two metatarsal tubercles, outer very small; a dis- 
tinct fold along the inner edge of the tarsus. The hind limb being 
carried forwards along the body, the tibio-tarsal articulation reaches 
far beyond the tip of the snout. Skin smooth, granulate on the 
belly and under the thighs. Light olive above; a broad black band 
on each side of the head, through the eye, followed by a black spot ; 
a blackish band across the back of the wrist; sides of hind limbs 
with a blackish line; hinder side of thighs marbled with blackish ; 
beneath whitish, immaculate. From snout to vent 41 millim. 
N. Australia. ; 
Bie Ps Cape York, Hr. Damel [C.]}. 
b. 5 Cape York, Cd Types. 
128. Hyla affinis. (Piate XXVI. fig. 3.) 
Litoria freycineti, Giinth. Cat. p. 97. 
Pelodytes affinis, Gray, Zool. Misc. p. 56. 
Habit slender. Tongue subcircular, slightly nicked and free be- 
hind. Vomerine teeth in two oblique groups between the choane ; 
latter vertically elliptic. Head longer than broad, resembling that 
of Rana agilis; snout acuminate, rather prominent, once and a half 
as long as the diameter of the eye; canthus rostralis distinct ; loreal 
region slightly concave ; interorbital space as broad as the upper 
eyelid; tympanum very distinct, two thirds the diameter of the eye. 
Fingers slender, free, first a little longer than second; no distinct 
rudiment of pollex ; toes slender, somewhat more than half webbed ; 
disks very small; subarticular tubercles small, but very prominent ; 
two metatarsal tubercles, outer very small; 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 nostril or 
the tip of the snout. Skin smooth above ; belly and lower surface 
of thighs granulate. Brown above; loreal and temporal regions 
blackish ; hinder side of thighs black- and white-marbled ; beneath 
whitish, immaculate; the male’s throat brown. Male with an in- 
ternal subgular vocal sac. From snout to vent 35 millim. 
'N. Australia, . 
Gr Se Port Essington. (Type.) 
ee Rockhampton. 
