42 



throat sometimes speckled with greyish. From snout to 

 vent 50 mm. 



Male with an external vocal sac and brown nuptial rugosi- 

 ties on the inner finger. 



I doubt if this species may be separated from //.•rtr/^/'/rt//^. 



Habitat: New Guinea (Hatam ! ; Arfak mts., 2400 m. ; 

 Wendesi). 



19. Hyla wollastoni Blgr. 



Hyla Wollastoni Boulenger, Transact. Zool. Soc. London, XX, pt. 5, 1914 

 p. 248, pi. XXVII, fig. I. 



Tongue oval, free and feebly notched behind ; vomerine 

 teeth in two oblique groups between the choanae. Head slightly 

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

 rostralis sharp; loreal region not very oblique, concave; 

 nostril nearer the tip of the snout than the eye; interorbital 

 space nearly as broad as the upper eyelid; tympanum distinct, 

 -/g the diameter of the eye. Disks of fingers as large as the 

 tympanum, of toes a little smaller; fingers with a rudiment 

 of w^eb ; toes extensively webbed, the web reaching the disks 

 of third and fifth, two phalanges of fourth toe free; no tarsal 

 fold; heel reaching beyond the tip of the snout; tibia as long 

 as the distance from occiput to vent. 



Smooth above, granular on the sides and beneath; a strong, 

 straight glandular fold from behind the eye to above the 

 shoulder; a subconical tubercle on the upper eyelid and others 

 around the vent; a spur-like tubercle on the heel. 



Green above, with black spots forming an hourglass-shaped 

 marking from between the eyes to the sacrum ; a fine whitish 

 streak, edged with black beneath, from the tip of the snout along 

 the canthus rostralis to the eye and along the fold behind 

 the eye; lower parts yellowish white, with scattered small 

 brown spots. From snout to vent 46 mm. 



Male with an external gular vocal sac. 



Nearly related to, if not identical with H, arfakiana. 



Habitat: New Guinea (Utakwa riv., 640 m.). 



20. Hyla chloronota (Blgr.). 



Hylella chloronota Boulenger, Ann. Mag. Nat. Hist., (8) VIII, 1911, p. 55. 



Tongue oval, slightly nicked ; no vomerine teeth. Head as 

 broad as long; snout rounded, scarcely prominent, as long as 



