6r 



Colouration variable. Some specimens dark brown above, 

 with lighter spots and with a light brown streak above the 

 tympanum to the side of the body; lower parts greyish white; 

 throat sometimes mottled with dark; the limbs light brown, 

 spotted on their posterior surface. Other ones are light grey, 

 finely brown speckled ; thighs and posterior portion of the 

 sides of the body lemon yellow; sometimes two irregular dark 

 longitudinal streaks on the back and a black streak on each 

 side of the body. From snout to vent 36 mm. 



Male with a greyish brown outer subgular vocal sac, and 

 in the breeding season a large, bean-shaped copulatory excres- 

 cence on the outer side of the first fingers. 



Tadpole. — Body once and a half as long as broad; tail 

 1-/3 the length of the body, 3 '/a times as long as deep. Nostril 

 nearer the tip of the snout than the eye; eyes lateral, 

 nearer the tip of the snout than the spiraculum, the distance 

 between them once and a half the distance between the 

 nostrils and much greater than the width of the mouth ; spira- 

 culum a vertical slit on the left side, near the medioventral 

 line, equally distant from the mouth and the hind limbs; vent 

 dextral, near the free border of the subcaudal crest. Tail with 

 an acutely pointed tip; both crests about equally deep, the 

 upper one extending on to the back. 



Lips with papillae in many series, especially on the lower 

 lip and the sides; they are absent in the middle part of the 

 upper lip; jaws bordered with black; series of teeth 2/3, the 

 inner series of both upper and lower lip sometimes very feebly 

 interrupted in the middle line; the series of the lower lip 

 are about equal in length. 



Back dark brown, spotted with black and often with a very 

 fine medio-dorsal white line from the snout to the base of 

 the tail; belly white, throat and sides dotted with brown; 

 muscular part of tail brown above, grey, dotted with brown, 

 beneath, and with a blackish streak along the middle of the 

 side, reaching to the middle of the tail, and a very 

 distinct clear band above it; crests with numerous black dots. 

 Length 45 mm. 



Habitat: Aru islands!; New Guinea (Friedrich Wilhelms- 

 hafen ; Maopa; Kapa Kapa; Upuli ; Yule isl. ; Borepata ; Inawi ; 

 Kamali ; Merauke !). 



