ii 4 



Tongue entire or slightly nicked behind ; a denticulated 

 dermal ridge across the palate and usually another, smooth 

 one, divided into three parts, in front of it. Head a little broader 

 than long; snout obtusely pointed, feebly projecting, as long 

 as the eye, longer than deep; canthus rostralis rather strong; 

 loreal region vertical or nearly so, concave ; nostril nearer to the 

 tip of the snout than to the eye; interorbital space a little broader 

 than the upper eyelid; tympanum hidden or more or less 

 distinct, about half the diameter of the eye. Disk of first 

 finger small, of the other ones large, broader than long, about 

 twice the width of the digit and as large as the tympanum ; 

 disks of toes smaller than those of fingers; first finger shorter 

 than second, which is as long as fourth; third toe longer 

 than fifth ; toes free ; subarticular and inner metatarsal tuber- 

 cles flat, indistinct ; the heel reaches the eye or to between the 

 eye and the tip of the snout. 



Skin of upper parts smooth, or uneven, with flat warts and 

 wavy ridges; a more or less distinct conical tubercle near 

 the edge of the upper eyelid often present; lower parts smooth, 

 or belly slightly granulate. 



Colour very variable; greyish to blackish above, usually 

 with blackish spots or marblings; sometimes a light transverse 

 bar between the eyes or a light vertebral line ; groin and 

 sides of thighs often black, spotted with white; an ill-defined 

 ocellus often present on each side of the lumbar region ; lower 

 surface more or less spotted with brown, especially on throat 

 and breast. From snout to vent 33 mm. 



Male without vocal sac. 



The procoracoid reaches the scapula. 



This species has been found by Mr. W. C. van Heurn in the 

 cavities of Hydnophytum (near Idenburg riv., 2400 — 2900 m.), 

 which in this locality were not inhabited by ants. Each plant 

 usually contained two frogs and a clump of about 10 to 20 

 large eggs (about 5 mm. in diameter), which stuck by a string 

 of mucilage to the ceiling of one of the largest cavities. The 

 development is direct. 



Habitat: New Guinea (near Idenburg riv., 1400 and 

 2400 — 2900 m. ! ; Moroka, Bartholomew range, 700 m. ; Mt. 

 Victoria; Hellwig mts., ±2500 m. !). 



