1. PSEUDIS. 185 
Vomerine tecth none; digital disks divided on their upper surface 
ByeAeBTOOVS! 5 cle dale aede ts «- 8. Phyllobates, 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 subcircular. 
17. Borborocetes, p. 252. 
Pupil horizontal ; yomerine teeth in a transverse series behind the 
choane; tongue entirely adherent. 
18. Zachenus, p. 257. 
Pupil erect ; vomerine teeth in a transverse series behind the cho- 
ans; tongue subcircular ...... 19. Limnodynastes, p. 258. 
Pupil 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 
sacral vertebra slightly dilated .. 22. Hyperolius, p. 267. 
C, Sternum with a bony style. 
Pupil horizontal; tongue nicked behind ; tympanum very distinct ; 
diapophyses of sacral vertebra slightly dilated. 
11. Edalorhina, p. 227. 
Pupil horizontal; tympanum indistinct or hidden ; vomerine teeth, 
if present, between the choane.. 12. Paludicola, p. 229. 
Pupil horizontal ; vomerine teeth behind the choanse. 
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, (Laur.) Wagl. Syst. Amph. p. 203; Tschudi, Batr. p. 80; 
Dum. § Bibr, viii. p. 527; Giinth. Cat. p. 5; Cope, Nat. Hist. Rev. 
1865, p. 111, and Journ. Ac. Philad. (2) vi. 1866, p. 93. 
Lysapsus, Cope, Proc. Ac. Philad. 1862, pp. 155 & 351, and Journ. 
Ac. Philad. (2) vi. 1866, p. 95. 
Batrachichthys, Pizarro, Arch, Mus. Nac. Rio Janeiro, i. p. 31. 
