4. IIYLA. 407 



broader than, the upper eyelid ; tympanum distinct, half or three 

 fifths the diameter of the eye. Fingers with a slight rudiment of 

 web ; no distinct rudiment of pollex ; toes two-thirds webbed ; disks 

 smaller than the tympanum ; 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 the eye. Upper surfaces smooth or with 

 small scattered tubercles ; lower surfaces granulate ; a fold above the 

 tympanum. Brownish or greyish above ; a dark streak on canthua 

 rostralis and temporal region ; below this, a whitish streak runs 

 from below the eye to the shoulder; a large, well defined dark spot 

 commences between the eyes and covers the middle of the back ; 

 besides, the head and back are often speckled all over with blackish ; 

 lower surfaces whitish, immaculate. Male with an external subgular 

 vocal sac ; during the breeding-season the inner side of the first 

 finger is covered with blackish rugosities. From snout to vent 42 

 miUim. 

 Australia. 



a. 2 . Tasmania. Zoological Society [P.]. 



(One of the types.) 

 b-d, e. 5 & hgr. Tasmania. E,. Gunn, Esq. [P.]. 



f-i, k. cJ $ . Hobart Town. J. B. Jukes, Esq. [P.] 



/. 2 • Melbourne. 



m, ?i-p. <3 5 • Australia. 



Var. A (If. calliscelis, Peters). Hinder side of thighs with large 

 purplish-black spots on yellowish ground ; a purplish-black 

 spot in the groin. 

 q-r. J . King George's Sound. G. Krefft, Esq. [P.]. 



116. Hyla krefftii. 



Ilvla krefftii, Gunth. Ann. S- Mag. X. IT. (3) xi. 18G3, p. 28, pi. 4. 

 f. C, and Proc. Zool. Soc. 1863, p. 250, pi. 30. f. I> ; Keferst. Got tin,/. 

 Nachr. 1867, p. 357, and Arch:/. Naturg. 1868, p. 280. 



Very closely allied to //. < wingii, but differing in the more distinct 

 web between the fingers, and the more extensive web between the 

 toes, it reaching the disks of the third and fifth. From snout to 

 wiit 47 miUim. 



Australia. 



117. Hyla parvidens. 

 Ilvla parvidens, l'rf< rs, .Van. Berl. Ac 1874, ]>. 620. 

 Distinguished from //. eivingii in having a smaller tympanum, the 



