31 



broader than long; snout rounded, as long as the orbit ; canthus 

 rostralis indistinct; loreal region very oblique, slightly concave; 

 nostril near the end of the snout ; interorbital space twice 

 the width of the upper eyelid ; tympanum very distinct, ^4 

 the diameter of the eye. Disks nearly as large as the tympanum ; 

 fingers nearly entirely, toes entirely webbed; subarticular tuber- 

 cles feeble ; heel reaching the tip of the snout. 



Skin smooth, finely granulate on the head, coarsely on the 

 belly and under the thighs; deep wrinkles form an areolation 

 on each side of the anterior part of the body; an outer tarsal fold. 



Bright green above, yellowish white beneath ; hand and 

 arm, tarsus and foot, and upper eyelid with a white edge; 

 arm and thigh colourless, the latter with a narrow green band 

 in the middle. From snout to vent 52 mm. 



Habitat: Northern British New Guinea, 275 m. 



5. Hyla bernsteini Horst. 



Hyla bernsteini Horst, Notes Leyden Mus., V, 1883, p. 241. 



Hyla mystax v. Kampen, Nova Guinea, V, pt. i, 1906, p. 173, pi. VI, fig. 6 (head). 



Tongue oblong, nicked and little free behind ; vomerine 

 teeth in two short series or circular groups between the choanae, 

 or absent. Head as long as broad ; snout rounded, vertically 

 truncate, shorter than the upper eyelid, longer than deep; 

 canthiis rostralis distinct, obtuse; loreal region oblique, slightly 

 concave; nostril close to the tip of the snout; interorbital 

 space as broad as the upper eyelid ; tympanum distinct, '/^ 

 the diameter of the eye. Disks of outer fingers nearly as large, 

 or as large as the tympanum, of toes smaller ; first finger shorter 

 than second, which is shorter than fourth; fingers broadly 

 webbed, the web usually reaching the second and fourth, and 

 nearly the outer border of third disk, first finger nearly free ; 

 third and fifth toe of equal length ; toes nearly entirely webbed, 

 the web reaching second, third and fifth disk and nearly 

 fourth; subarticular and inner metatarsal tubercles moderate, 

 no outer metatarsal tubercle ; the heel reaches the nostril or 

 the tip of the snout. 



Skin smooth or feebly granulate above ; belly and lower surface 

 of thighs strongly granulate ; a feeble ridge along the outer 

 edge of fore-arm, hand and fourth finger, and another along 

 that of tarsus and fifth toe ; no fold across the chest ; an 



