82 



Biifo sphiipes Steindachner, Reise der Novara, Amph., Wien, 1867, p. 43, 



pi. V, figs. 6, 7. 



Btifo melanostictus part., Boulenger, Cat. Batr. Sal. Brit. Mus., 1882, p. 306. 



Bufo longecri status Werner, Zool. Anz., XXVI, 1903, p. 252 '). 



Habit stout. Head broader than long, with a canthal, a 

 praeorbital, a supraorbital, a postorbital, and a short and narrow 

 supratympanic bony ridge; snout shorter than the upper eye- 

 Hd, a little deeper than long; canthus rostralis angular, loreal 

 region oblique, slightly concave; nostril nearer to the tip of the 

 snout than to the eye ; interorbital space broader than the 

 upper eyelid; tympanum close to the eye, distinct, "/g diameter 

 of eye. Tips of fingers and toes blunt; first finger as long as, or 

 slightly shorter than second, which is shorter than fourth ; third 

 toe about as long as fifth, toes about ^3 webbed, the two distal 

 phalanges of fourth one free ; subarticular tubercles very small, 

 single; a moderate inner, and a smaller outer metatarsal tu- 

 bercle; a serrated tarsal fold; the heel reaches the shoulder, 

 the tarsometatarsal articulation the eye. 



Upper surface of head and body smooth or with two longi- 

 tudinal series of warts on the posterior half of the back; 

 parotoids reniform, feebly prominent; granular beneath and 

 on the sides. 



Brown or greyish, the ridges of the head sometimes black; 

 beneath yellowish, immaculate, or belly spotted with brown. 

 Length 68 mm. 



Male with a subgular vocal sac. 



I compared a specimen in the Leiden museum from the 

 collection of Bleeker. The species can be distinguished from 

 B. melanostictus by the nearly smooth back and by the tarsal fold. 



Habitat: Riou islands (Tandjongpinang!) ; interior of 

 Borneo ! — Nicobars. 



II. Bufo asper Gravh. 



Bufo asper Gravenhorst, Deliciae Mus. Zool. Vratislav., Fasc. I, Lipsiae, 1829, p. 58. 

 Bufo asper Schlegel, Ahbild. neiier oder unvollst. bek. Amph., Dtisseldorf, 1837 — 44, 



p. 63, pi. XX, fig. I. 

 Bufo asper Boulenger, Cat. Batr. Sal. Brit. Mus., 1882, p. 313. 

 }Nectes obscurus Barbour, Proc. Biol. Soc. Washington, XVII, 1904, p. 51. 

 Bufo asper v. Kampen, Nat. Tijdschr. Ned. -Indie, LXIX, 1910, p. 26, 30, pi. II, 



fig. 2 (tadpole). 



1) Type specimen (in the Brussels museum) examined by me; the parietal 

 ridge, described by Werner, is a dermal ridge; the parntoid is longer than the orbit. 



