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. 



j3. Vomerine teeth extending beyond the level of the 

 hinder edge of the choanae. 



Tibio-tarsal articulation not reaching the 

 tip of the snout : a conical outer meta- 

 tarsal tubercle 49. pretiosa, p. 43. 



Tibio-tarsal articulation not reaching the 

 tip of the snout ; no outer metatarsal 

 tubercle 52. cantahrigensis, 



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



the snout, or beyond ; a rounded outer 

 metatarsal tubercle , . . 56. silvatica, p. 47. 



3. Toes hardly half webbed. 

 Habit stout 32. capito, p. 34. 



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. copii, p. 49. 



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



Toes entii^ly webbed ; skin shagreened 



above 62. chn/sojvasina, 



Toes incompletely webbed ; tympanum two [p. 49. 

 thirds the width of the eye ; skin sha- 

 greened above 63. ccerideopunctata, 



[p. 50. 



III. INDIAN AND ArSTP.ALIAN SpECIES. 



A. Fingers and toes acutely pointed, the latter very broadly 



webbed. 



First finger extending a little beyond second 1. hexadactgla, p. 17. 

 First finger not extending beyond second. . 2. cyanoplilictis, 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 eyeKd very narrow ; skin 

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



