2. EANA. 15 



Toes very broadly webbed : tympanum 



hidden 4. crassi2yes, p. 19. 



Toes entirely webbed ; tympanum nearly 



as large as the eye ; a single metatarsal 



tubercle B6. oxi/rhynchus. p. 51. 



Toes entirely webbed, the web not emar- 



ginate ; tympanum nearly as large as the 



eye; two metatarsal tubercles 67. lonrjirostris, 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. 



thii'ds the width of the eye 69. mascaremensis, 



h. Vomerine teeth in two series or groups between the 

 choanae. 



Vomerine teeth in two oblique groups ; 



toes two-thirds webbed 12. siibsigillata, 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 choanEe. 



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



Toes nearly entirely webbed 61, 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 reaclung far beyond 



the tip of the snout 71. fasciatu, p. 51. 



h. Vomerine teeth in two oblique 



series between the choante . 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. 3o. 



Tympanum rather indistinct ; two meta- 

 tarsal tubercles 24. cordofana, p. 31. 



