2. EANA. 11 



Tympanum two thirds the size of the eye : 



first finger extending scarcely beyond 



second ; head much longer than broad . . 47. lecontii, p. 42. 

 Tympanum two thirds the size of the eye ; 



snout short, rounded 48. nigricans, p. 43, 



ft. Vomerine teeth extending beyond the level of the 

 hinder edge of the choanse. 



Tibio-tarsal articulation not reaching the 

 tip of the snout : a conical outer meta- 

 tarsal tubercle 49. prefiosa, p. 43. 



Tibio-tarsal articulation not reaching the 

 tip of the snout ; no outer metatarsal 

 tubercle 52. cantabrigensis, 



Tibio-tarsal articulation reaching the tip of [p. 45. 



the snout, or beyond ; a rounded outer 

 metiitarsal tubercle 56. silvatica, p. 47. 



3. Toes hardly half webbed. 

 Habit stout 32. capito, p. 84. 



B. Tips of toes dilated into small disks. 



Toes entirely webbed ; first finger longer 



than second 59. palmipes, p. 48. 



Toes incompletely webbed ; tympanum as 



large as the eye 60. eopii, p. 49, 



First finger not longer than second 61. nigrilatus, p. 49, 



Toes entirely webbed : skin shagreened 



above 62, chrysoprasina. 



Toes incompletely webbed ; tympanum two [p, 49, 

 thirds the width of the eye ; skin sha- 

 greened above 63. caruhopunciata , 



[p. 50. 



III. Indian and Australian Species. 



A. Fingers and toes acutelj' pointed, the latter very broadly 



webbed. 



First finger extending a little beyond second 1. hexadacti/la, p. 17. 

 First finger not extending beyond second. . 2. cyanophUctis, p. 17. 



B. Fingers pointed or blunt ; toes blunt or slightly dilated at 



the tips. 



1. Toes more than half webbed. 

 a. Tympanum indistinct or hidden. 

 First finger not extending quite as far as 

 second ; upper eyelid very narrow ; skin 

 of back with transverse plaits 5, corrugata, p, 19, 



