12. PAiTJDICOLA. 



231 



2. Paludicola bibronii. 



Pleurodema bibrnni, vars. A & C, Giinth. Cat. p. 31. 

 Pleurodema bibroui, Tschudi, Batr. p. 85 ; Girarcl, U.S. Expl. 



Exped., Herp. p. 38, pi. 4. f. 33-38; Espada, Viaj. Pacif., Vert. p. 87. 

 Cystignatbus bibroni, Dum. 4'- Bibr. p. 410, pi. 87. f. 2 ; Guichen. in 



Gay, Chile, Rept. p. 9G, pi. 7. f. 1. 

 Pleurodema darwinii, Bell, Zool. Beacjle, Bept. p. 36, pi. 17. f. 3; 



JSensel, Arch. f. Nature/. 1867, p. 133. 

 elegans, Bell, I. c. p. 37, pi. 17. f. 4 ; Girard, I. c. p. 40, pi. 4. 



f . 28-32. 

 Cystignatbii3 elegans, Guichen. I. c. p. 101. 



Lower surface of foot. 



Tongue subcircular, entire or indistinctly nicked bebind. Yome- 

 rine teetb in two small oblique groups between tbe choanse. Snout 

 rounded, sligbtly longer than tbe greatest orbital diameter ; nostril 

 equally distant from the eye and the tip of the snout ; interorbital 

 space generally narrower tban the upper eyelid ; tympanum indis- 

 tinct or quite hidden. Fingers moderate, first not extending beyond 

 second ; toes moderate, with a rudimentary web extending as a 

 fringe along their sides ; subarticular tubercles moderate ; a small 

 oval inner, and a small rounded, sometimes oval, outer metatarsal 

 tubercle, both very distinct. The hind limb being carried forwards 

 along the body, the tibio-tarsal articulation reaches hardly the tym- 

 panum. Skin smooth, or with small warts above ; a very prominent 

 oval lumbar gland, generally larger than the eyeball. Grejish or 

 olive above, marbled with brown ; lumbar gland black and white ; 

 sometimes a light vertebral stripe ; anterior half of the male's throat 

 black. Male with a subgular vocal sac. 



S, America. 



