21 I 



than to eye; interorbital space Yg to equal to the width of the 

 upper eyelid; tympanum very distinct, -/s to Y, the diameter 

 of the eye. Disks of fingers and toes well developed, '/o to Y5 

 the diameter of the tympanum; first finger as long as or 

 extending slightly beyond second; toes entirely or nearly 

 entirely webbed, two phalanges of fourth one sometimes being 

 free ; outer metatarsals separated nearly to the base ; subarticular 

 tubercles rather large; a small, oval inner metatarsal tubercle, 

 outer tubercle very small and indistinct, or absent; no tarsal 

 fold ; the heel reaches far beyond the tip of the snout ; tibia 

 -/g to Y4 length from snout to vent; when the hind limbs 

 are folded at right angles to the body, the heels are strongly 

 overlapping. 



Finely granulate or shagreened above ; sides sometimes warty; 

 a fold above the tympanum ; dorsolateral fold, if present, short, 

 not extending to the sacrum, or represented by a series of warts. 



Grey or brown above, sometimes with darker spots or 

 marblings or with scattered small light spots; tympanum 

 yellowish or pale brown; a blackish streak below canthus rostralis 

 and on supratemporal fold ; temporal region blackish or with 

 blackish spots; upper lip whitish or brown; limbs with or 

 without more or less distinct dark cross-bands; hinder side of 

 thighs purplish brown, uniform or speckled with lighter; lower 

 surface white, throat and breast sometimes spotted or marbled 

 with brown. From snout to vent 93 mm. 



Terminal phalanges T-shaped. 



Male with small external vocal sacs; no humeral glands. 



Tadpole. — Tail obtusely pointed, the upper crest not 

 extending to base of tail. 



A large sucking disk behind the mouth, free on its borders, 

 truncate in front; lower lip bordered by papillae; both jaws 

 composed of two black pieces, which are ribbed and strongly 

 toothed; series of teeth 3^3/ '4'- 



Habitat : Borneo (Mt. Kina Balu!, 640 and 280 m. ; Bongon; 

 Baram riv. ; Pata riv., Serawak; Serawak riv.); Java (Tjibodas !). 



36. Rana cavitympanum Blgr. 



Rana cavitympanum Boulenger, Proc. Zool. Soc. London, 1893, p. 525, pi. XLIII, 



fig. I (with tadpole). 

 Rana cavitympanum Boulenger, Rec. Ind. Mus., XX, 1920, p. 193. 



Vomerine teeth in two short, slightly oblique series between 



