33 



of the upper eyelid to the groin; arm, the three iuner fingers, and tlie 

 four iuner toes not coloured. 



A single young specimen recorded from Malabar. 



3. IXALCJS. 



Si/no2)''iis of Species. 



1. Fingers free or very slighflt/ webbed. 



A, Tongue with a free, poinied papilla in the anterior part of the median 

 line. 



1. Toes more than half- webbed. 



A glandular lateral fold ; toes nearly entirely webbed, witli small 

 discs. 1. opisthorhodns, p, 34. 



No glandular lateral fold ; toes very broadly webbed, with large 

 discs. 2. saxicola, p. 35. 



2. Toes not more than half- webbed. 



Tibio-tarsal articulation not reaching beyond the eye ; toes webbed 

 at the base. 3. glandidosus^ p. 37. 



Tibio-tarsal articulation reaching beyond the eye ; toes half- webbed. 



4. chalazodes, p. 38. 



Tibio-tarsal articulation not reaching the eye ; toes half-webbed. 



5. flamoentris, p. 38. 



Snout sub-acuminate. 6. signafiis, p. 38. 



B. Tongue without papilla. 



1. Skin smooth above and beneath; a glandular lateral fold ; tym- 

 panum indistinct. 



Toes entirely webbed. 7. fnscus, p. 34. 



Toes one-third or two-fifths webbed. 8. silvaticus, p. 35. 



2. Skin smooth above, or with small tubercles ; no glandular lateral 

 fold. 



a. Tympanum distinct. 



a. Tympanum at least half the width of the eye. 



Tjrmpanum half the width of the eye ; toes half- webbed ; discs 

 moderate. 9. leucorhinusy p. 35. 



/3. Tympanum not half the width of the eye. 



Tympanum about one-third the size of the eye ; toes less than one- 

 third webbed ; tibio-tarsal articulation reaching beyond the eye. 



10. punctatus, p. 37. 



b. Tympanum indistinct or quite hidden. 



a. Snout slightly pointed. 



Toes half webbed. 11. piikher, p. 36. 



/8. Snout rounded. 



Tibio-tarsal articulation reaching beyond the eye; toes two-thirds 

 webbed ; hinder side of thighs not coloured. 12. femoralis, p. 35. 



Tibio-tarsal articulation not extending beyond the eye ; toes half- 

 webbed ; hinder side of thighs not coloured. 13. beddomii, p. 36. 



5 



