tip of the snout; interorbital space twice to twice and a half 

 the width of the upper eyelid ; tympanum moderately distinct, 

 as large as the eye. Fingers and toes with slightly swollen 

 tips; first finger shorter than second, which is shorter than 

 fourth; length of the fourth toe contained about 3'/ 2 times 

 in the distance between the posterior border of the eye and 

 the vent; third toe longer than fifth; subarticular and inner 

 metatarsal tubercles feeble, no outer metatarsal tubercle ; the 

 heel reaches at most the shoulder, the tarso-metatarsal arti- 

 culation the axil or to between tympanum and eye. 



Skin very finely granular; tip of snout with small warts. 



Brownish violet (in spirit); yellowish beneath, marbled with 

 dark brown. Length 86 mm. 



Type specimen examined. 



Habitat: New Guinea (Snow mts., 1700 m. !). 



6. Xenobatrachus ophiodon Ptrs. & Dor. 



Xenobatrachns ophiodon Peters e Doria, Ann. Mus. Genova, XIII, 1878, p. 432, 



pi. VII, fig. 5. 

 Xenobatrachus ophiodon Boulenger, Cat. Batr. Sal. Brit. Mus., 1882, p. 172. 



Tongue nicked, free behind and on the sides; two large, 

 curved teeth behind each choane. Head small; snout prominent, 

 a little longer than the eye; canthus rostralis not distinctly 

 developed; nostril lateral, close to the tip of the snout; tym- 

 panum half the diameter of the eye. Fingers and toes with 

 small disks; first finger shorter than second, which is about 

 as long as fourth ; third toe longer than fifth ; no metatarsal 

 tubercles; the heel reaches the tip of the snout. 



Skin smooth. 



Dark brown above, irregularly spotted and marbled with 

 blackish; whitish beneath, throat and chest reticulated with 

 brown. Length 30 mm. 



Habitat: New Guinea (Hatam, Arfak mts.). 



11. Xenorhina Ptrs. 



(Peters, Monatsber. Akad. Berlin, 1863, p. 82). 



Pupil horizontal, nearly circular. Tongue large, circular, 

 entire, free only at the sides, perfectly attached behind. Palate 

 toothless. A denticulated transverse dermal ridge across the 

 palate, in front of the pharynx. Tympanum more or less distinct. 



