40 



second to fourth finger large, of third finger at least half the 

 diameter of the eye, of first finger smaller; disks of toes a 

 little smaller than those of fingers ; first finger shorter than 

 second, which is shorter than fourth ; fingers free, or the two 

 or three outer ones webbed at the base; third and fifth toe 

 of equal length ; toes 2 / 3 webbed, the first one nearly entirely 

 free; subarticular tubercles small, single, or the distal ones of 

 the three outer fingers double; an oblong inner and sometimes 

 a very feeble outer metatarsal tubercle; the heel reaches beyond 

 the tip of the snout; tibia % length of head and body, or a 

 little shorter. 



Skin smooth, or finely granulate or with a few scattered 

 warts above; belly and lower surface of thighs, sometimes 

 throat and breast also, granulate; a few warts below the vent; 

 heel with or without a short triangular dermal appendage; 

 usually a dermal ridge or a row of small tubercles along the 

 outer side of the fore-arm and the fourth finger, and along 

 that of foot and fifth toe; a fold above the tympanum. 



Colour very variable ; upper parts blue, reddish brown or 

 blackish, often with small whitish or rufous dots or a few 

 dark spots or a large dark hourglass-shaped spot on the back, 

 commencing between the eyes; upper surface of snout some- 

 times light-coloured; upper lip sometimes with a white border; 

 loreal region, and sometimes the side of the body, dark, or a 

 blackish streak beneath canthus rostralis and along temporal 

 region ; posterior surface of thighs usually purplish brown ; the 

 ridges along the outer sides of the extremities light-coloured ; 

 beneath brownish or yellowish, mottled with greyish or dark. 

 Length 70 mm. 



Male with a subgular vocal sac. 



Habitat: New Guinea (Hatam, Arfak mts., + 1900 m.!; 

 near Idenburg riv., + 1450 m.!; Pomora riv., 1000 — 1400 m.!; 

 Torricelli mts.; Fife bay; Moroka, 700 m. ; Snow mts., 

 1000 — 2500 m. !). 



17. Hyla wolterstorffi (Wern.). 



Hylella wolterstorffi Werner, Yerh. zool.-bot. Ges. Wien, LI, 1901, p. 613. 



Tongue oblong, feebly nicked behind ; no vomerine teeth. 

 Snout rounded, somewhat longer than the eye; canthus 

 rostralis distinct, straight; loreal region rather steep, fiat; nostril 



