32 REPTILES. 



Lumbar gland prominent, rounded, oval, not longer than head 

 broad. Toes slightly fringed in all varieties. Tympanum indistinct. 



Var. A. Without dorsal streak ; lumbar gland whitish, a black 

 spot in the centre. 



a. Adult. Maldonado. Presented by Charles Darwin, Esq. — Original 



specimen for Prof. Bell's Pleurodema clarwinii not being in a 

 good state, and having lost the vomerine teeth, 



b, c. Adult. Chili. 



d. Adult. Cliili. From M. Parzudaki's Collection. 



e. Adult. Chili. From Mr. Cuming's Collection. 

 /. Adult. Shores of Pacific Ocean. 



g, h. Adult. South America. Presented by Charles Darwin, Esq. 

 i. Adult. South America. Presented by Charles Darwin, Esq. 

 l\ Adult female. South America. Presented by Charles Darvdn, 

 Esq. 



Var. B. With an indistinct dorsal streak, conspicuous only in 

 front on the muzzle and on the coccyx. Lumbar gland black, with 

 some small white spots in the centre. 



I. Adult male. Venezuela. From Mr. Dyson's Collection. 

 m. Half-grown. Venezuela. From Mr. Dyson's Collection. 



Var. C. Back with a broad whitish longitudinal streak : Pleuro- 

 dema elegans, Bell. 



n. Adult. Chiloe. Presented by Charles Darwin, Esq. Original 



specimen of Prof. Bell's figure. 

 0. Adult. Cliili. From Mr. Bridge's Collection. 

 p. Adult. South America. Presented by Charles Darwin, Esq. 

 q-s. Adult. South America. Presented by Charles Darwin, Esq. 



Intermediate between Var, A. and Var. C. 



3. LIMNODYNASTES. 



Habit rather stout, sometimes with large head ; extremities 

 rather short ; fingers quite free ; toes quite free or sometimes shghtly 

 webbed or fringed. Skin smooth or with scattered flat warts, in 

 one species a large gland on the calf. Palatine teeth in one long, 

 straight, in the middle hardly interrupted series, behind the inner 

 nostrils. Tongue more or less circular, nearly entire behind. Inner 

 nostrils and eustachian tubes moderate ; tympanum hidden. Males 

 with an external subgular vocal sac. Australia. 



Wag-leria, Oirard, Proc. Ac. Nat. Sc. Philad. vi, p. 421. 

 Perialia, Gray, in Eyre's Jonrn. Ua-ped. Centr. Attstr. i. p. 406. 

 Limnodynastes, Fitzinger, Si/st. Rept. p. 31 ; Gray, MSS. 

 Cystignathus, sp., Bum. ^- Bihr. viii. p. 409; Gray, in Capt. Grey's 

 ' West Austr. p. 446. 



