u8 



Tongue oblong or oval, entire or very slightly nicked behind; 

 a denticulated dermal ridge across the palate, and another 

 smooth one, very little developed, in front of it. Head broader 

 than long; snout rounded, feebly projecting, shorter than the 

 eye and as long as deep ; canthus rostralis obtuse ; loreal region 

 nearly vertical, concave; nostril nearer to the tip of the snout than 

 to the eye; interorbital space as broad as or broader than the 

 upper eyelid; tympanum moderately distinct or indistinct, 

 about '/ 3 the diameter of the eye. Fingers with very large 

 subtriangular disks, which are broader than long, that of third 

 finger about half the diameter of the eye, that of first one 

 smaller, but well-developed; disks of toes large, scarcely smaller 

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

 is about as long as fourth; fifth toe hardly longer than third; 

 toes webbed at the base; subarticular and inner metatarsal 

 tubercles fiat, indistinct; no outer metatarsal tubercle; the 

 heel reaches the shoulder or the tympanum. 



Skin smooth. 



Colouration very variable; grey, brown, or reddish above, 

 uniform or with dark spots or marblings, with or without a 

 yellow vertebral line; often a dark brown triangular blotch 

 on the back of the head, the base between the eyes; some- 

 times a semilunar light spot in the lumbar region; lower parts 

 whitish, uniform or powdered with brown. From snout to 

 vent 28 mm. 



Procoracoid connected with the scapula by a ligament only. 



Habitat: New Guinea (Moroka, Bartholomew range, 700 m. ; 

 Lorentz riv. !). 



10. Oreophryne biroi (v. Meh.). 



Sphenophryne biroi v. Mehely, Termesz. Fiizetek, XX, 1897, p. 411, pi. X, figs. 3 — 6. 

 Sphenophryne biroi v. Mehely, Termesz. Fiizetek, XXIV, 1901, p. 252, pi. X, 



fig. 2 (shoulder-girdle); pi. XI, fig. 6 (skull). 

 }Mehelyia lineata Wandolleck, Abh. Zool. Mus. DresdeD, XIII, 191 1, N°. 6, 



p. 7, figs. 18—26. 

 ? Mehelyia affinis Wandolleck, ibid., p. 8, figs. 27 — 35. 

 Sphenophryne biroi v. Kampen, Nova Guinea, IX, pt. 3, 191 3, p. 462. 



Tongue oblong, entire, about half free behind; a denticu- 

 lated dermal ridge across the palate, in front of the pharynx, 

 and three dermal tubercles, sometimes nearly united into a 

 continuous ridge, in front of it. Head nearly as long as broad; 



