1. PSBTJBIS. 185 



Vomerine teeth none ; digital disks divided on their upper surface 

 by a groove 8. Phyllohates, p. 194. 



Vomerine teeth ; digital disks not grooved. 



9. Hylodes, p. 198. 



2. Tips of fingers and toes not dilated. 



Pupil horizontal ; vomerine teeth ; tongue subciroular. 



17. BorhoroccEtes, p. 252. 



Pupil horizontal ; vomerine teeth in a transverse series behind the 

 choanse; tongue entirely adherent. 



18. Zachaenus, p. 257. 



Pupil erect ; vomerine teeth in a transverse series behind the cho- 

 anse ; tongue subciroular 19. Limnodynastes, p. 258. 



PupU. horizontal ; vomerine teeth ; tongue suboval ; diapophyses of 

 sacral vertebra slightly dilated . . 20. Cryptotis, p. 262. 



Pupil horizontal ; vomerine teeth very slightly developed or absent ; 

 tongue elliptic ; diapophyses of sacral vertebra slightly dilated. 



21. Crinia, p. 263. 



Pupil erect ; vomerine teeth none ; tongue elliptic ; diapophyses of 

 sactal vertebra slightly dilated . . 22. Hyperolius, p. 267. 



C. Sternum with a bony style. 



Pupil horizontal ; tongue nicked behind ; tympanum very distinct j 

 diapophyses of sacral vertebra slightly dilated. 



11. EdalorMna, p. 227. 



Pupil horizontal ; tympanum indistinct or hidden; vomerine teeth, 

 if present, between the choanse. . 12. Faludicola, p. 229. 



Pupil horizontal ; vomerine teeth behind the choanse. 



13. Leptodactylus, p. 23,7. 



Tips of toesidilated into regular disks. 



14. Plectromantis, p. 249. 



Pupil 'erect ; tongue slightly nicked. 15. Limnomedusa, p. 250. 



Pupil erect ; tongue entire ; toes very long ; sternal style broad. 



16. Hylorhina, p. 251. 



1. PSEUDIS. 



Pseudis, (Law.) Wagl. Syst. Amph. p. 203 ; Tschudi, Batr. p. 80 ; 



Bum. §■ Bihr. viii.' p. 327 ; Oiinth. Cat. p. 5 ; Cope, Nat. Hist. Rev. 



1865, p. Ill, andJourn.Ac. PhUad. (2) vi. 1866, p. 93. 

 Lysapsus, Cope, Proc. Ac. Philad, 1862, pp. 165 & 861, and Joum. 



Ac. Philad. (2) vi. 1866, p. 93. 

 Batrachichthys, jPmwjto, Arch. Mvs. Nac. Rio Janeiro, i. p. 31. 



