2, RANA. 
Toes very broadly webbed; tympanum 
PARAL TISS APS crn eI hige was onch Woke ue ses 
Toes entirely webbed; tympanum nearly 
as large as the eye; a single metatarsal 
BRDOE GION sos Soran tele diate bers ao 
Toes entirely webbed, the web not emar- 
ginate ; tympanum nearly as large as the 
eye; two metatarsal tubercles ........ 
Toes nearly entirely webbed; tympanum 
two thirds the width of the eye; a tarsal 
and two metatarsal tubercles. ........ 
Toes two-thirds webbed; tympanum two 
thirds the width of the eye .,........ 
6b. Vomerine teeth in two series 
choanee. 
Vomerine teeth in two oblique groups; 
toes two-thirds webbed.............. 
Vomerine teeth in two oblique series; 
toes nearly entirely webbed .......... 
Vomerine teeth in two transverse series ; 
toes two-thirds webbed .............. 
15 
4. crassipes, p. 19. 
66. oxyrhynchus, p.51. 
67. longirostris, p. 52. | 
68. trinodis, p. 52. 
[p. 52. 
69. mascareniensis, 
or groups between the 
12. subsigillata, p. 23. 
18. occipitalis, p. 27. 
65. angolensis, p. 50. 
c. Vomerine teeth in two groups on a level with the 
hinder edge of the choane. 
Toes not quite two-thirds webbed........ 
Toes nearly entirely webbed............ 
2. Toes webbed at the base. 
11. blanfordi, p. 23. 
64. fuscigula, p. 50. 
a. Vomerine teeth in two long, nearly straight series on 
a level with the frontedge of the choane. 
Tibio-tarsal articulation reaching the tip of 
the snout, or somewhat beyond........ 
Tibio-tarsal articulation reaching far beyond 
thei tip .of the south #825 5 60. Peete ee ts 
b. Vomerine teeth in two oblique 
70. grayt, p. 53. 
71. fasciata, p. 54. 
series between the choane . 83. galamensis, p. 61. 
B. Tips of fingers and toes not dilated; inner metatarsal tubercle 
shovel-shaped. 
- Metatarsal tubercle reaching beyond the 
cipOh bhe SNOW. «: <. « «an Meee ee. 
Metatarsal tubercle reaching nearly the tip 
of the snout; skin smooth............ 
Tympanum rather indistinct; two meta- 
GaAPNal) GUDOVCIOS: 6 did. a o's oh Soe ete 
22. tuberculosa, p. 30. 
23. natalensis, p. 30. 
24. cordofana, p. 31. 
