DATKACIIIA SALIENTIA. 31 



13. Cysti^athus bibronii. 



Borborocoelos bibronii, Bell, I. c. p. 35. pi. 17. f. 1. 

 OystigTiathiis bibronii, Brit. Mas. (not Dum. >^- Bihr.). 



Yomorine teeth in distinct oblique groups behind the inner nos- 

 trils. Wrist Avith two tubercles. 

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



2. PLEURODEMA. 



Head rather short, vnih obtuse muzzle ; extremities moderate ; 

 fingers free, with a nidimentaiy thumb ; toes more or less distinctly 

 webbed or fringed ; metatarsus with two small blunt tubercles. 

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

 ratoid-likc gland. Vomerine teeth in two groups. Tongue subcir- 

 cular, slightly nicked behind. Eustachian tubes moderate. Sacral 

 vertebric not dilated. South America. 



Plem-odema, Tschudi, Batr. p. 84 ; Bell, Zool. of the Beagle, Rept. p. 3G. 

 Cystignathus, .sp., Dum. ^- Bihr. viii. pp. 407, 410. 



1. Pleurodema labynnthicuin. 



Raua labyrintbica, Spix, Test. p. .31. t. 7. f. 1, 2. 

 Cystignathus labyrinthicus, Dum. cV Bibr, p. 407. 



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

 flat, irregular. Tympanum distinct. 



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



c. Large specimen : male. Pemambuco. Presented by J. P. Cr. 



Smith, Esq. 



d. Large specimen : skeleton. Bahia. 



e. Large specimen : male : stuffed. South America. From Mr. Ar- 



gent's Collection. 

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

 f/. Large specimen : stuffed. South America. 

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



2. Pleurodema bufonium. 



Bell, Zool. of the Bear/le, Rept. p. 39. pi. 17. f. 5. 

 ? Leiuperus salarius, Bell (see page 22). 



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

 flat, eUiptical. Toes nearly half- webbed. Tympanum inrlistinct. 



a. Adult. Port Desire (Patagonia). Presented by Ch. Danvin, Esq. 



b. Adult. Port Desire (Patagonia). Presented by Ch. Dansin, Esq. 



3. Pleurodema bibroni. 



Pleurodema bibroni, Tschudi, Batr. p. 85. 

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

 Pleurodema darwinii, elegans, Belt, Zool. of the Beagle, Rejd. pp. 36, 

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



