229 



The skin may be adherent to the skull on the cheeks and 

 the fronto-parietal region ; it has some prominent ridges, and 

 a small spine, curved forwards, at the angle of the mouth; 

 back with more or less numerous short glandular folds and 

 generally a pair of very prominent narrow curved ridges from 

 the upper eyelid along the middle of the back; a triangular 

 dermal flap on the tip of the snout, another one on the edge of 

 the upper eyelid, and a smaller one above the vent and at the 

 heel; a curved dermal ridge between the eyes; a fold above the 

 tympanum; a small, frequently denticulated fringe along the 

 outer side of tarsus and fore-arm; throat and belly granular. 



Colouration very variable. Upper parts yellowish, pinkish, 

 brown, black, grey or olive, variously marked with darker 

 and lighter; a black temporal band, two short black longitu- 

 dinal bands on the middle of the back, and a black cross- 

 band between the eyes may be present; sometimes with a broad 

 light band along each side of the back and between the eyes, 

 or with whitish dots; limbs with dark cross-bars; hinder side 

 of thighs, and lower surface of foot and tarsus dark; lower 

 surfaces brownish, dotted or clouded with dark brown; throat 

 generally dark brown, sometimes with white dots; a pair of 

 round white spots on the breast ; axilla and groin bright 

 yellow. From snout to vent rf 75, 9 86 mm. 



Male with two internal vocal sacs. 



Eggs very large, development probably without tadpole. 



Habitat: Solomon islands. 



3. Oreobatrachus Rlgr. 



(Boulenger, Ann. Mag. Nat. Hist., (6) XVII, 1896, p. 401). 



Pupil horizontal. Tongue small, oval, very slightly notched 

 and free behind. Vomerine teeth none. A strong transverse 

 dermal fold between the choanae. Tympanum hidden. Fingers 

 free, toes webbed, the tips dilated into small disks. Outer 

 metatarsals separated by web. 



Omosternum and sternum with a bony style. No intercalary 

 ossicle between the penultimate and distal phalanges; the 

 latter T-shaped. 



Distribution: Borneo. 



Oreobatrachus baluensis Blgr. 



Oreobatrachus baluensis Boulenger, Ann, Mag. Nat. Hist., (6) XVII, 1896, p. 401, 

 pi. XVII, figs. 1, la. 



