ixALUs, 253 



B. Upper pans rough witli granular tu- 

 bercles ; tympauum very distinct, at 

 least f diameter of eye ; throat smooth. 

 Snout pointed ; loreal region nearly vertical ; toes 



half-webbed I. jncttts, p. 255. 



Snout rounded ; loreal region oblique ; toes at 



least f webbed /. a<pe)-, p. 255. 



II. Fingers half-webbed ; upper parts with 



large warts and granular asperities I. horridus, p. 256. 



268. Ixalus brevipes. 



Bouleng. Journ. Fed. Malay States Mus. iii, p. 63, pi. iv, fig. 1 

 (1908). 



Head large, much depressed ; snout rounded, shorter than the 

 orbit ; canthus rostralis obtuse ; loreal region concave ; nostril 

 nearer tip of snout than eye ; iuterorbital space broader than the 

 upper eyelid ; tympanum not very distinct, ^ diameter of eye. 

 ringers short, free, with large disks ; toes short, barely half- 

 webbed ; a small inner metatarsal tubercle. Tibio-tarsal articu- 

 lation reaching the posterior border of the eye. Skin smooth 

 above, glandular on the sides, granular on the throat and belly. 

 Greyish olive above, witli symmetrical markings, viz. a large 

 transverse band between the ej^es and a large marking on the 

 anterior part of the back, trifid in front, the median branch 

 bifurcate and extending to the upper eyelids, bifid behind ; a 

 dark canthal streak ; sides reddish brown with white dots ; limbs 

 with dark cross-bars ; lower parts dirty white. 



From snout to vent 31 millim. 



Described from a single specimen obtained by Mr. Eobinson on 

 Gunong Tahan, Pahang, at 3000 feet altitude. 



269. Ixahis larutensis. 



Bouleng. Ann. & Mag. Nat. Hist. (7) vi, p. 187 (1900^ ; id. Fascic. 

 Malay., Zool. i, p. 139, pi. v, figs. 3 & 4 (1903). 



Snout rounded or obtusely pointed, as long as the orbit ; 

 canthus rostralis distinct; loreal region concave; nostril a little 

 nearer end of snout than eye ; iuterorbital space as broad as the 

 upper eyelid ; tympanum moderately distinct in the adult, in- 

 distinct in the young, half the diameter of the eye. Fingers 

 free, toes half-webbed ; disks of fingers as large as the tympanum ; 

 subarticular tubercles moderate ; a small inner metatarsal tubercle. 

 'J'he tibio-tarsal articulation reaches between the eye and the tip 

 of the snout. Upper parts smooth, or with small flat warts ; 

 throat, belly, and lower surface of tliighs granulate. Grey-brown 

 or reddish brown above, with dark brown symmetrical markings, 

 a cross-band between the eyes being constant ; a whitish vertebral 



