32 



indistinct fold above the tympanum; sometimes a transverse 

 dermal ridge below the vent. 



Colour (in spirit) blue or bluish above, immaculate or dotted 

 with dark blue ; posterior surface of thigh and inner surface 

 of tibia blackish; a white streak along the upper jaw from 

 below the eye to the angle of the mouth or the shoulder; 

 the dermal ridges white; yellowish beneath. Length 37 mm. 



Type specimen (from Gebe isl.) in the Leiden Museum 

 examined. 



Habitat: Gebe isl.!; Salawati ; New Guinea (Moaif riv. !). 



6. Hyla eucnemis Lonnb. 



Hyla enc?temis Lonnberg, Ann. Mag. Nat. Hist., (7) VI, 1900, p. 579. 



Tongue broadly heart-shaped, nicked and free behind; vome- 

 rine teeth in two large and confluent groups, behind the level 

 of the choanae. Head large, about as broad as long; snout 

 subtriangular, truncate, longer than the orbit; canthus rostralis 

 very distinct, curved ; loreal region concave ; interorbital space 

 broader than the upper eyelid ; tympanum distinct, about -/g 

 the diameter of the eye. Disks of fingers about as large as 

 the tympanum; the three outer fingers extensively webbed, 

 the web reaching the disks of the second and fourth ; toes 

 entirely webbed; subarticular tubercles well developed; the 

 heel reaches just beyond the eye. 



Upper surfaces very minutely, belly and lower surfaces of 

 thighs coarsely granulate; throat covered with scattered warts; 

 a series of similar warts along the margin of the lower jaw; 

 a glandular fold above the tympanum; a well-developed denti- 

 culated fringe along the outer side of the fore-arm and the 

 outer finger; a similar fringe along the outer side of the tarsus 

 and the outer toe; heel with a triangular dermal appendage; 

 some smaller dermal flaps near the vent. 



Colour (in spirit) dark plum above, uniform, with the excep- 

 tion of some very indistinct cross-bands on the hind legs; 

 light below. From snout to vent 6^ mm. 



Habitat: New Guinea (Sattelberg, ±800 m.). 



7. Hyla obsoleta Lonnb. 



Hyla obsoleta Lonnberg, Ann. Mag. Nat. Hist., (7) VI, 1 900, p. 580. 



Tongue nicked and free behind ; vomerine teeth in two 

 small groups between the choanae. Snout subtriangular, trun- 



