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

 the width of the upper eyehd ; 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 t,^/.-^ 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. 



Xcnohatraclnis 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.). 



II. 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. 



