57 



longer than deep; canthus rostralis strong, straight; loreal 

 region oblique, feebly concave; nostril much nearer tip of 

 snout than eye ; interorbital space once and a half to twice 

 the width of the upper eyelid; tympanum rather distinct, l / 2 

 the width of the eye. Disks of three outer fingers as large 

 as the tympanum, of toes a little smaller than those of fingers; 

 outer fingers 2 / 3 webbed, first finger nearly free; toes nearly 

 entirely webbed, the web reaching all disks, except fourth ; 

 subarticular tubercles moderate ■ a feeble inner, no outer meta- 

 tarsal tubercle; the heel reaches beyond the tip of the snout. 



Smooth above ; belly, sides and lower surface of thighs 

 granulate; a fold above the tympanum. 



Upper surfaces blue ; upper arm, thigh (except a narrow 

 longitudinal blue streak, which however may be absent), fingers 

 and the four inner toes colourless; upper lip very narrowly 

 edged with white; beneath colourless. Length 43 mm. 



Male with a subgular vocal sac. 



Type specimens in the Leiden Museum examined. 



Distinguished from H. infrafrenata by the absence of the 

 light border along the lower lip, from the same species and 

 H. sanguinolcnta by the more extensively webbed fingers. 



Habitat: Misool ! ; Aru islands!. 



36. Hyla sanguinolenta v. Kamp. 



Hyla sanguinolenta v. Kampen, Nova Guinea, IX, pt. 1, 1909, p. 33, pi. II, fig. 3. 

 .Hyla infrafrenata part., Boulenger, Zool. Jahrb., Suppl. XV, 1, 1912, p. 214. 

 Hyla sangtiinvlenta v. Kampen, Zool. Jahrb., Syst., XXXVII, 1914, p. 366. 



Tongue nicked and free behind; vomerine teeth in two short 

 transverse or oblique series between the posterior borders of 

 the choanae. Head a little broader than long; snout rounded, 

 vertically truncate, as long as the upper eyelid and longer 

 than deep; canthus rostralis distinct, obtuse; loreal region very 

 oblique, concave; nostril about twice nearer to the tip of 

 the snout than to the eye ; interorbital space broader than the 

 upper eyelid ; tympanum very distinct, 2 / 3 the diameter of 

 the eye. Disks of three outer fingers a little, of first finger 

 much smaller than the tympanum, of toes smaller than those 

 of fingers; first finger shorter than second, which is shorter 

 than fourth; fingers '/ 3 to ! / 2 webbed; third and fifth toe equal 

 in length; toes 2 / 3 to nearly entirely webbed, the web reaching 

 all disks, except fourth; subarticular tubercles strong, the 



