4i 



near the tip of the snout ; interorbital space twice the width 

 of the upper eyelid; tympanum not very distinct, about '/ 5 

 the diameter of the eye. Disks of fingers larger than the dia- 

 meter of the tympanum, of toes a little smaller than those 

 of fingers; first finger shorter than second; fingers free, toes 

 about 3 / 4 webbed ; the heel reaches the posterior border of the eye. 



Skin of upper parts smooth; throat, belly and lower surface 

 of thighs granulate. 



Brownish white above ; a dark brown streak from the eye 

 to above the tympanum; anterior part of head to between 

 the eyes light-coloured, occiput dark brown; limbs indistinctly- 

 spotted with brown ; lower parts white, marbled with light brown. 

 Length 23 mm. 



Perhaps the young of H. arfakiana. 



Habitat: N.E.-New Guinea. 



18. Hyla pratti Blgr. 



Hyla pratti Boulenger, Ann. Mag. Nat. Hist., (8) VIII, 191 1, p. 55. 



Tongue subcircular, nicked behind ; vomerine teeth in two 

 small groups or oblique series between the choanae. Head as 

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

 long as the upper eyelid, longer than deep ; canthus rostralis 

 distinct; loreal region oblique, concave; nostril equally distant 

 from the eye and the tip of the snout; interorbital space as 

 broad as the upper eyelid ; tympanum distinct, not quite half 

 the diameter of the eye. Disks of second to fourth finger as 

 large as or larger than the tympanum, of first finger and of 

 toes smaller than those of outer fingers; first finger shorter 

 than second, which is shorter than fourth ; three outer fingers 

 distinctly webbed at the base, first free ; third toe as long as 

 fifth; toes 3 / 4 webbed; subarticular tubercles small, single; an 

 oblong inner, no outer metatarsal tubercle ; no tarsal fold ; 

 the heel reaches the tip of the snout; tibia a little more than 

 half the length of head and body. 



Smooth or with more or less distinct small fiat warts above, 

 belly and lower surface of thighs granulate; a series of small 

 tubercles along outer border of fore-arm and fifth finger may 

 be present; a fold above the tympanum. 



Bluish grey above in spirit (green in life?), uniform or with 

 small irregular black spots, or with a large, dark, hourglass- 

 shaped spot, commencing between the eyes; whitish beneath* 



