2. EAJTA. 15 



Toes very broadly webbed ; tympanum 



bidden 4. erassipes, p. 19. 



Toes entirely webbed ; tympanum nearly 



as large as tbe eye ; a single metatarsal 



tubercle 66. oxyrhynchus, p. 51. 



Toes entirely webbed, the web not emar- 



ginate ; tympanum nearly as large as the 



eye ; two metatarsal tubercles 67. longirostris, p. 52. 



Toes nearly entirely webbed; tympanum 



two thirds the width of the eye ; a tarsal 



and two metatarsal tubercles 68. trinodis, p. 52. 



Toes two-thirds webbed ; tympanum two [p. 52. 



thirds the width of the eye- 69. mascareniensis, 



h. Vomerine teeth in two series or groups between the 

 choanse. 



Vomerine teeth in two oblique groups ; 



toes two-thirds webbed 12. subsigillata, p. 23. 



Vomerine teeth in two oblique series ; 



toes nearly entirely 'webbed 18. occipitalis, p. 27. 



Vomerine teeth in two transverse series ; 



toes two-thirds webbed 65. angolensis, p. 50. 



c. Vomerine teeth in two groups on a level with the 

 hinder edge of the choanse. 



Toes not quite two-thirds webbed 11. blanfordi, p. 23. 



., Toes nearly entirely webbed 64. fuscigula, p. 50. 



2. Toes webbed at the base. 



a. Vomerine teeth in two long, nearly straight series on 

 a level with the front edge of the choanse. 



Tibio-tarsal articulation reaching the tip of 



the snout, or somewhat beyond 70. grayi, p. 53. 



Tibio-tarsal articulation reacMng far beyond 



the tip of the snout 71. fasdata, p. 54. 



6. Vomerine teeth in two oblique 



series between the choanse . 83. galamensis, p. 61. 



B. Tips of fingers and toes not dilated ; inner metatarsal tubercle 

 shovel-shaped. 



Metatarsal tubercle reaching beyond the 



tip of the snout 22. tuberculosa, p. 30. 



Metatarsal tubercle reaching nearly the. tip 



of the snout ; skin smooth 23. natalensis, p. 30. 



Tympanum rather indistinct ; two meta- 

 tarsal tubercles 24. cordofana, p. 31. 



