212 ANURA 



CHAP. 



b. The terminal i)halanges are T-shaped and carry discs. The 



omosternum is cartilaginous. 



a. Discs divided by a dorsal groove. 



AVith vomerine teeth . Elosiu, 3 species in Brazil. 



Without „ Syrrlwpus} 9 species, South America. 



(i. Discs undivided. 



With vomerine teeth . . . Hylodes, p. 214. 



Without ,, .... Hylopsis. 



c. Terminal phalanges simple, pointed, or with very small discs. 



First finger opposed to the others . . Pseiidis, p. 213. 



d. Terminal phalanges simple, without discs. 



a. Tympanum hidden. A large, flat gland on each side of 

 the body . . Cyclorharnphus fuliginosus, 'BthyAI. 



/3. Tympanum distinct. Head rough, entirely bony. 



Galyj}toce2]halns, p. 215. 

 y. Tyuipanuni hidden or absent. Tongue roundish, not 

 nicked, free behind. Toes webbed. 



Telmatobius, 6 species in Western South America. 

 8. Tongue heart-shaped, free. Toes webbed. 



Ceratophrys, jj. 215. 

 e. Tongue round, free behind. Toes weighed. With two 

 tooth-like projections in the lower jaw. 



Lepidohatrachus, jj. 218. 

 (. Tongue entire, or slightly nicked, free liehind. Toes free. 

 Borborocoetes, 1 1 species in Western South America. 

 )/. Tongue entirely adherent. Tympanum distinct. 



Zachaenus parvuhis, Brazil. 

 B. Metasteriium with a bony style. 



a. Pupil horizontal. 



a. Terminal phalanges T-shaped, with discs. 



Tynij^anum distinct. 



Plectromanfis, 2 species in Western South America. 

 /i. Terminal phalanges simple ; tips not dilated into regular 



discs. 



1. Tympanum distinct. 



Sacral diapophyses slightly dilated. 



Edalorhina, 3 sjiecies in Ecuador and Peru. 

 Sacral diapophyses not dilated. 



Li'ptodactylu.% p. 218. 



2. Tympanum indistinct or hidden, Palitdicola, p. 220. 



b. Pupil vertical. Terminal phalanges simjile and not dilated. 



Chili. 



a. Tongue slightly nicked . Limnomedusa macroglossa. 



13. Tongue entire, but free behind. Digits very long. 



Hylorhina silvatica. 

 TT. Australian genera. Tin- terminal phalanges are simple and not dilated. 

 Tlie omosternum and nu-tasternum are cartilaginous, the latter forming 

 a 2>late, semi-ossified only in Heleioporus. 



1 =Phyllohates (part) Bibron ; cf. Bouleuger, F.Z.S. 1888, p. 207. 



