384+ HYLIDA. 
Tongue circular, free and very slightly notched behind. Vome- 
rine tecth in two slightly oblique series on a level with the hinder 
edgo of the choane. Head broader than long; snout rounded, 
truncate ; canthus rostralis distinct ; loreal region slightly concave ; 
the diameter of the eye equals its distance from the nostril ; inter- 
orbital space broader than the upper eyelid; tympanum very distinct, 
two thirds the diameter of the eye. Fingers one-third webbed ; no 
projecting rudiment of pollex; toes nearly entirely webbed ; sub- 
articular tubercles well developed ; disks large, those of fingers as 
large as or somewhat larger’than the tympanum, of toes a little 
smaller ; a slight cutaneous fold along the inner side of the tarsus. 
The hind limb being carried forwards along the body, the tibio-tarsal 
articulation reaches hardly the eye. Skin smooth, above much 
thickened and studded with large pores on the hind part of the 
head and on the scapular region, this glandular region delimited 
outwards by a strong curved fold beginning from the posterior angle 
of the eye; belly and lower surface of thighs granulate. Blue- 
green above, whitish beneath. Male with an internal subgular_ 
vocal sac ; during the breeding-season brown rugosities on the inner 
side of the first finger. From snout to vent 83 millim. 
Australia. 
The coloration varies :— 
A. Spots none; light line along the tarsus none or very indis- 
tinct. 
a. 9. N. Australia. Dr. J. E. Elsey [P.]. 
Be Ds Port Essington. Earl of Derby [P.]. 
c-e. S. Port Essington. Mr. Gould. 
eee Murray Island. Mr. Macfarlane [C. ]. 
g. 2. Thursday Isl., Torres St. Dr. Coppinger [C. ]. 
B. Sides of body with white or pinkish, dark-edged spots; a 
similar spot on humerus; sometimes small spots of the same 
colour on the back; a streak of same on the upper lip, from 
the vertical of the centre of the eye, generally interrupted 
under the tympanum, extending to the shoulder; another 
streak along the outer side of forearm and outer finger, the 
inner side of tibia, and the outer side of tarsus and fifth toe ; 
throat sometimes blue, with pinkish spots. 
1 Sp Nicol Bay, N.W. coast Mr. Du Boulay [C.]. 
of Australia. 
tl. go & her. Port Essington. Karl of Derby [P.]. 
Mm. 2%, Moreton Bay. 
n. Wer. Sydney. Dr. Giinther [P. ]. 
0,208 Australia. Voyage of the ‘ Herald.’ 
65. Hyla dolichopsis. 
Pelodryas ceruleus, part., Giinth. Cat, p. 119, pl. ix. f. b. 
IIyla cyanea, Schleg. Abbild. pl. 9. f. 2. 
inca ich Pana id lta tae atest SS 
