1. PSEUDIS. 185 



Vomerine teeth none ; digital disks divided on their upper surface 

 bj a groove S. Phyllobates, p. 194. 



Vomerine teeth ; digital disks not grooved. 



9. Hylodes, p. 108. 



2. Tips of fingers and toes not dilated. 



Pupil horizontal ; vomerine teeth ; tongue subcircular. 



17. Borborocoetes, p. 252. 



Pupil horizontal : vomerine teeth in a transverse series behind the 

 clioanffi ; tongue entirely adherent. 



18. Zachsenus, p. 257. 



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

 anae : tongue subcircular 19. Limnodynastes, p. 258. 



Pupil horizontal ; vomerine teeth ; tongue suboval ; diapophj'ses of 

 sacral vertebra slightlj- dilated . . 20. Cryptotis, p. 2(32. 



Pupil horizontal ; vomerine teeth very slightly developed or absent ; 

 tongue elliptic ; diapophyscs of sacral vertebra slightly dilated. 



21. Criiiia, p. 263. 



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

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



C. Sternum with a bony st}'le. 



Pupil horizontal ; tongue nicked behind ; tympanum very distinct ; 

 diapophyscs of sacral vertebra slightly dilated. 



11. Edalorhina, p. 227. 



Pupil horizontal ; tympanum indistinct or hidden ; vomerine teeth, 

 if present, between the clioana). . 12. Paludicola, p. 229. 



Pupil horizontal ; vomerine teeth behind the choaua?. 



13. Leptodactylus, p. 237. 



Tips of toes dilated 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. Si/st. A?n])/i. p. 203 ; Tsclmdi, Batr. p. SO ; 



D%mi. if B'lhr. viii. p. 327; Giinth. Cat. p. 5 ; Cope, Nat. Hist. Rev. 



1865, p. Ill, andJourn.Ac. P/u'/ad. (2) vi. 18C6, p. 93. 

 Lysapsus, Cope, Proc. Ac. PJdhid. 1802, pp. 155 & 351, and Journ. 



Ac. Philad. (2) vi. 1800, p. 93. 

 Batracliichthys, Pixtrro, Arch. Mus. Kac. Rio Janeiro, i. p. 31. 



