lian species described by Messieurs Dumeril and Bibron. It agrees
with the former in the disposition of the palatine teeth.

HELIOPORUS, Gray.

Head short, swollen; eyes large, convex; palatine teeth in a straight
interrupted ridge between the two internal nostrils; teeth very small;
body swollen; skin of the back minutely granular, of the belly smooth;
legs rather short; toes 4.5, short, warty beneath, quite free; the hind
wrist with a large, oblong, compressed, internal tubercle; the base of
the inner finger with a conical wart, ending in a small acute bony
process; tongue large, entire behind.

This genus has many of the characters of Cystignathus, but differs from
it in being warty and swollen, and in having short toes like a toad.

94. Helioporus albo punctatus, t. 1 f. 2.

Lead-coloured (in spirits) with white spots; beneath dirty white, with
some small white warts at the angle of the mouth; legs smooth.

Inhabits Western Australia.

103. Hyla Adelaidensis, Gray, t. 8 f. 2.

Slender; fore-toes quite free, hinder toes webbed to the last joint; (in
spirits) gray-blue, with a series of small oblong tubercles; the sides
purple-brown with a white streak from the underside of the eyes to the
shoulders; sides of the belly and region of the vent purplish, with small
white spots; the hinder side of the thighs purple-brown, with three large
oblong white spots; belly and under side of thighs granular; chin white,
brownish dotted; palatine teeth in two roundish groups between the
internal nostrils.

Inhabits Western Australia.

104. Hyla binoculata, Gray, t. 8, f. 1.

Slender; fore-toes quite free; hinder toes webbed to the last joint.
Grayish white (in spirits) with a series of very small, indistinct,
oblong tubercles, with a dark streak from the nostrils to the shoulder,
enclosing the eyes, and a white streak below it from the underside of the
eye; sides purplish, with small white spots; back of the thighs purple,
with two yellow spots; belly and underside of thighs whitish, granular.

Var. 1. Back of thighs with one or two additional yellow spots.

Var. 2. Back bluish gray; back of the thighs with six or seven small
subequal yellow spots.

Inhabits Western Australia.

UPEROLEIA, Gray.

Head large; palate quite toothless; upper jaw with small close teeth;
tympanum hid under the skin; toes of the fore and hind feet elongate,
slender, quite free; ankle with a roundish external and a small conical
inner tub