BATRACUIA SALIENTIA. 31 



13. Cystignathus bibronii. 



Borboi'ocoetes bibronii, Bell, I. c. p. 35. pi. 17. f. 1. 

 Cystignathus bibronii, Brit. Mus. (not Dtim. S,- Bibr.). 



Vomerine teeth in distinct oblique groups behind the inner nos- 

 trils. Wrist with two tubercles. 



a. Very bad state. Chonos. Presented by Charles Darwin, Esq. 



2. PLEURODEMA. 



Head rather short, with obtuse muzzle ; extremities moderate ; 

 fingers free, vnth a rudimentary thumb ; toes more or less distinctly 

 webbed or fringed ; metatarsus with two small blunt tubercles. 

 Skin smooth, or with flat scattered warts ; on each loin a large pa- 

 ratoid-lilve gland. Vomerine teeth in two groups. Tongue siibcir- 

 cular, slightly nicked behind. Eustacliian tubes moderate. Sacral 

 vertebrae not dilated. South America. 



Plem'odema, Tschudi, Batr. p. 84 ; Bell, Zool. of the Beagle, Rq)t. p. 36. 

 Cystignathus, sp., Dum. Sf Bibr. viii. pp. 407, 410. 



1. Pleurodema labyrinthicum. 



Rana labvrintbica, Spix, Test. p. 31. t. 7. f. 1, 2. 

 Cystignathiis labyrinthicus, Dmn. ^- Bibr. p. 407. 



Lumbar gland enormous, covering nearly the whole side, depressed, 

 flat, irregular. Tympanum distinct. 



a, b. Large specimens. Brazil. From the Leyden Museum. 



c. Large specimen : male. Pernambuco. Presented by J. P. G. 



Smith, Esq. 



d. Large specimen : skeleton. Bahia. 



e. Lai'ge specimen : male : stuffed. South America. From Mr. Ar- 



gent's Collection. 

 /. Large specimen : female : stuffed. South America. 

 g. Large specimen : stuffed. South America. 

 h. Large specimen : stuffed. Para. Purchased of Mr. Bagaly. 



2. Pleurodema bufonium. 



Bell, Zool. of the Beac/le, Bejjt. p. 39. pi. 17. f. 5. 

 ? Leiupenis salarius, Bell (see page 22). 



Lumbar gland large, longer than the head is broad, depressed, 

 flat, elliptical. Toes nearly half- webbed. Tympanum indistinct. 



a. Adult. Port Desire (Patagonia). Presented by Ch. Dai-win, Esq. 



b. Adult. Port Desire (Patagonia). Presented bj" Ch. Danvin, Esq. 



3. Pleurodema bibroni. 



Pleurodema bibroni, Taehudi, Batr. p. 85. 

 Cystignathus bibroni, Dum. S,- Bibr. p. 410. pi. 87. f. 2. 

 Pleurodema darwinii, elegans, Bell, Zool. of the Beagle, Rept, pp. 36, 

 37. pi. 17. f. 3, 4. 



