134 EEPTILES. 



Page 29. — la. Cystignathus roseus. 



Bum. ^-Bibr. viii. p. 114 ; Gay, Chile, Zonl. ii. Erpetol. p. 99. pi. 7. f. 3. 



Tympanum scarcely distinct ; vomerine teeth in two groups on a 

 level with the posterior margin of the nostrils. Tongue circular ; 

 the inner nostrils and eustachian tubes very narrow. Upper parts 

 rose-coloiu'ed, back wdth a broMoiish shade; the hinder side of the 

 thighs blackish, spotted with white ; belly whitish. Chili. 



Page 29. Cystignathus nodosus. 

 Gay, Chile, Zool. ii. Erpetol. p. 98. 



Page 30. Cystignathus senegalensis. 

 b-f. Adult. Cape. Presented by Sir A. vSmith. 



Page 30. Cystignathus georgianus. 



i. Mauy specimens. Van Diemen's Land. Presented by Sii' A. Smith. 



Page 31. Pleurodema labyrinthicum. 



Cystignathus labjiinthicus, Guichen. Rept. in Casteln. Anini. nouv. ou 

 rares de VAmer. du Sud, p. 79. pi. 16. 



Page 31. Pleurodema bibroni. 



Cystignathus bibroni, Gay, Cliile, Zool. ii. Erpetol. p. 90. pi. 7. f. 2. 

 Var. eleyans (p. .32). Cystignathus elegans, Gay, I.e. p. 101. 



Page 33. — 1 a. Limnodynastes peronii. 



Cystignathus peronii, Dion, i,- JBibr. p. 409. 



No large gland. Back ■\vith longitudinal folds. Head moderate ; 

 snout produced, depressed, flat ; tongue cordiform, shghtly nicked 

 behind. Brownish, with longitudinal series of bro^vTi spots on the 

 back and cross-bars on the legs ; beUy marbled with brown. 



a. Adult male : not good state. Van Diemen's Land. Presented 

 by Sit A. Smith. 



I am now convinced that this species of Dumeril and Bibron, 

 which I have placed as a doubtful synonym of L. dorsalis, forms a 

 distinct species, disting-uished from L. tasmaniensis by its coloration 

 and the folds on the back. 



Page 33. Limnodynastes tasmaniensis. 



g-h. Adult and half-grown. Van Diemen's Land. Presented by 

 Sir A. Smith. 



