1. psEmis. 185 



Yomerine teeth noue ; digital disks divided on their upper surface 

 by a groove 8. Phyllohates, p. 104. 



Vomerine teeth : digital disks not grooved. 



0. Hylodes, p. 108. 



2, Tips of fingers and toes not dilated. 



Pupil horizontal ; voarerine teeth ; tongue subcircular. 



17. Borboroccetes, p. 252. 



Pupil horizontal ; vomerine teeth in a transverse series behind the 

 choanse; tongue entirely adherent. 



18. Zachgenus, p. 257. 



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

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



Pupil horizontal ; vomerine teeth ; tongue suboval ; diapophyses of 

 sacral vertebra slightly dilated . . 20. Cryptotis, p. 2()2. 



Pupil horizontal ; vomerine teeth very slightly developed or absent ; 

 tongue elliptic : diapophvscs of sacral vertebra slightly dilated. 



21. Crinia, p. 263. 



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

 sacral vertebra slightly dilated . . 22. Hyperolius, p. 207. 



C. Sternum with a bony style. 



Pupil horizontal ; tongue nicked behind ; tympanum very distinct ; 

 diapoiihyses of sacral vertebra slightly dilated. 



11. Edalorhina, p. 227. 



Pupil horizontal ; tympanum indistinct or hidden ; vomerine teeth, 

 if present, between the choanoe. . 12. Paludicola, p. 220. 



Pupil horizontal : vomerine teeth behind the choauoe. 



13. Leptodactylus, p. 237. 



Tips of toes dilated into regular disks. 



14. Plectromantis, p. 240. 



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. 



Pseudi^, (Laur.) Wa{/1. Si/st. Amph. p. 203 ; Tschudi, Butr. p. 80 ; 



I>um. I" Bihr. viii. p. 327; Giintli. Cat. p. o ; C<q}e, Nat. Hist. Bev. 



1865, p. Ill, andJourn.Ac. PJdlacl. (2) vi. 1806, p. 93. 

 Lvsapsus, Cope, Proc. Ac. PJdlad. 1802, pp. loo k '^ol, andJoxmi. 



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

 Batrachichthys, Pizarro, Arch. Mvs. Kac. Rio Janeiro, i. p. 31. 



