37 



angular; loreal region oblique, concave ; nostril a little nearer to 

 the tip of the snout than to the eye; interorbital space much 

 broader than the upper eyelid ; tympanum 2 / 3 to 3 / 4 the width 

 of the eye, close to the latter. Tips of fingers and toes blunt; 

 first finger extending beyond second, which is shorter than 

 fourth ; toes not quite half webbed ; subarticular tubercles very 

 small, single; a moderate inner, and a narrow outer meta- 

 tarsal tubercle; no tarsal fold; the heel reaches the shoulder 

 or the tympanum, the tarsometatarsal articulation the eye 

 or to between eye and tip of snout. 



Upper parts and sides with conical warts; parotoids small, 

 oblong or roundish; granulate beneath. 



Brownish, usually more or less distinctly black spotted above ; 

 beneath dark brown, or lighter, spotted with brown. Length 

 81 mm. 



Young specimens have the cranial ridges not swollen, but 

 rather more elevated than in B. biporcatus. 



Tadpole. — Probably not different from that of B.mela- 

 nostictus. 



Habitat: Nias!; Sumatra! (Pasir Ganting, W. -Coast Su- 

 matra, 2° S. ; Benkulen). 



15. Bufo quadriporcatus Blgr. 



Bufo quadriporcatus Boulenger, Ann. Mag. Nat. Hist., (5) XIX, 1887, p. 347, 



pi. X, fig. 4. 

 Bufo quadriporcatus Giinther, Ann. Mag. Nat. Hist., (5) XX, 1887, p. 314, 



pi. XVI, fig. C. 

 Bufo quadriporcatus Boulenger, Vert. Fauna Malay Penins., Kept, and Batr., 



London, 1912, p. 274. 



Habit rather stout. Head broader than long, with a narrow 

 supratympanic and a prominent supraorbital bony ridge, con- 

 tinued into a short parietal one, the two latter ones forming 

 together a nearly straight line; snout truncate, projecting, as 

 long as the upper eyelid and as long as deep; canthus ros- 

 tralis angular; loreal region nearly vertical, feebly concave; 

 nostril a little nearer to the tip of the snout than to the eye; inter- 

 orbital space broader than the upper eyelid; tympanum close 

 to the eye, very distinct, nearly as large as or larger than 

 the eye. Tips of fingers and toes blunt, not dilated ; first finger 

 extending beyond second ; toes not quite half webbed ; sub- 

 articular tubercles single; two moderate, rounded metatarsal 



