BUFO. 271 



brownish beneath, speckled with yellow, or marbled with brown. 

 Male \\ ith a large external giilar vocal sac. 



Pi'om snout to vent 40 inillim. 



Tadpoles, living in the swift-flowing liill-streams, remarkable 

 for their large lips forming a sucking-disk with two upper and 

 thi'ee lower uninterrupted series of minute horny teeth ; beak 

 white, lower jaw edged with black, upper with a conspicuous black 

 diagonal mark on each side. Tail acutely pointed, upper crest 

 only on posterior two thirds. Spiraculum sinistral ; anus median. 

 Sepia-brown above, mottled darker and lighter. Total length 

 34 millim. 



This little toad, which occurs also in Borneo, has been found in 

 the hills of Penang (2000 £t.) and Perak (2000-3000 ft.). 



289. Bufo jerboa. 



Bouleiig-. p. Z. S. 1890, p. 328, pi. xxv, fig. 3; Laidlaw, P.Z.S. 

 1900, p. 889. 



Habit very slender. Crown without bony ridges ; snout 

 obliquely truncate, strongly projecting beyond the mouth; loreal 

 region vei-tical ; interorbital space as broad as or a little narrower 

 than the upper eyelid ; tympanum very distinct, ^ to | diameter 

 of eye, close to latter. Fingers long and slender, with feebly 

 swollen tips, first as long as or a little shorter than second, with 

 very prominent subarticular tubercles ; toes short, g to 4 webbed, 

 with very prominent subarticular tubercles ; two small but pro- 

 minent metatarsal tubercles ; a tarsal fold. The tibio-tarsal 

 articulation reaches far beyond the tip of the snout ; tibia about 

 I length of head and body. Upper parts with granules and very 

 small warts ; lower granulate ; parotoids, if at all distinct, very 

 narrow. Brown above, with dark and light spots or symmetrical 

 markings, often forming an X-shaped figure in front of the sacral 

 region ; a yellowish dorso-lateral streak sometimes present ; dark 

 bars on the limbs and on the lips ; yellowish or pale brownisli 

 beneath, throat and breast dark brown or much mottled with dark 

 brown. 



From snout to vent 50 millim. 



Borneo, Gunong Inas, N. Perak, where a single specimen was 

 obtained by the 8keat Expedition, and vicinity of the Batu Caves, 

 near Kuala Lumpur, Selangor. 



290. Bufo asper. 



Gravenh. Delic. Mus. Zool. Vratisl. p. 58 (1829); Giintb. Kept. 

 Brit. Ind. p. 423 (1864); Bouleng. Cat. Batr. Ecaud. p. 313 

 (1882) ; id. Faun. Brit. Lid., Rept^ p. 507 (1890) ; S. Flower, 

 P. Z. S. 1896, p. 912, aud 1899 p. 912 ; A. L. Butler, Journ. Nat. 

 Hist. See. Bombay, xv, p. 396 (1904). 



A broad supraorbital and a thick orbito-tympanic bony ridge ; 

 enout short, obliquely truncate; canthus rostralis angular; loreal 



