snout than the eye ; interorhital space much broader thau the upper 

 eyelid; tympanuni distinct, half the width of the eye. Fingers 

 free, toes two-thirds webbed ; disks very small ; subarticular tu- 

 bercles well developed ; a small inner metatarsal tubercle. The 

 hind limb being carried forwards along the body, the tibio-tarsal 

 articulation reaches the tip of the snout or beyond. Skin smooth, 

 granular on the belly and under the thighs. Light brown above, 

 with a large dark spot ; loreal and temporal regions blackish brown. 

 Throat dotted with brown. 

 Ceylon. 



or-h. $ . C. Ceylon. G. H. K. Thwaites, Esq. [P.]. TTypes.) 



6. Ixalus kakhienensis. 



Ixalus kakhienensis, Anders. Anat, Zool. Hcs. Yunnan, p. 845, 

 pi. 78. f. 6. 



Snout short and moderately pointed ; canthus rostralis rounded ; 

 tympanum less than half the size of the eye. Fingers free, toes 

 fiiUy webbed, with the exception of the fourth, in which the mem- 

 brane does not reach its extremity ; disks of fingers and toes rather 

 large. The hind limb being carried forwards along the body, the 

 tibio-tarsal articulation reaches slightly beyond the tip of the snout. 

 Skin smooth above. Dark olive-black above, paling on the upper 

 surface of the limbs to olive-brown, obscurely transversely banded 

 with blackish brown ; lower surfaces spotted and marbled with 

 brown. 



Nampoung valley, Yunnan. 



7. Ixalus leucorhinus. 



Ixalus leucoi'himi.*, GiintJi. Cat. p. 75. 

 Ixalus leucorhinus, Martens, Koniencl. Mept. Mzts. Bcrol. p. 36. 

 temporalis, Giinth. Sept. Brit. Ind. p. 434, pi. 26. f. E. 



Snout acuminate, a little longer than the orbital diameter ; can- 

 thus rostralis distinct : loreal region slightly concave ; nostril nearer 

 the tip of the snout than the eye ; interorbital space broader than 

 the upper eyelid ; tympanum distinct, half the width of the eye. 

 Fingers very slightly, toes half webbed ; disks and subarticular 

 tubercles moderate; a small inner metatarsal tubercle. The hind 

 limb being carried forwards along the body, the tibio-tarsal articu- 

 lation reaches between the eye and the tip of the snout. Skin 

 smooth above, granular beneath ; a fold from the eye to the shoulder. 

 Brown or olive above ; a dark stripe below the canthus rostralis and 

 on the temporal region ; sometimes a large hexagonal light spot on 

 the snout ; generally a dark vitta between the eyes, and another, 

 arched one on each side of the back ; sometimes a light vertebral 

 line or stripe, extending or not along the hind limbs ; throat 



