17. BORBOROCCETES. 253 



1. Borborocoetes nodosus. 



Ovstignatlius nodosus, Bum. 4' Bibr. p. 410; GuicJien. hi Gay, Chile, 



'ReiJt. p. 98. 

 Eiisopliiis nodosus, Cope, Xat. Hist. Rev. 1865, p. 113. 



Tongue circular, slightly nicked behind. Vomerine teeth in two 

 small groups between the choana?. Snout short, rounded : tj'mpanum 

 indistinct. Fingers and toes moderate ; subarticular tubercles very 

 strong ; two small metatarsal tubercles. The hind limb being carried 

 forwards along the body, the foot extends beyond the snout. Scat- 

 tered small warts on the back ; a rather indistinct parotoid gland 

 above the tympanum to the shoulder. Brown above, dotted with 

 black ; limbs cross-barred : hinder side of thighs speckled with white ; 

 light brown beneath. 



Chili. 



2. Borborocoetes roseus. 



Cystignatbus nodosus, Giinth. Cat. p. 29. 

 Cystiguathus roseus, Gihith. I. c. p. 1-34. 

 Cysliguathus roseus, Dion. 4- Bibr. p. 414 ; Guichen. in Gay, Chile, 



Eept. p. 99, pi. 7. f. 3 : Espada, Viaj. Pacif., Vcrtehr. p. 73. 

 Borboroco3tes roseus, CV^^e, Xat. Hist. Rev. 1865, p. 113. 

 ? Cystignatbus svlvestris, Tschudi, Fann. Per, p. 66, pi. 11. f . 1 ; 

 Peters, Mon. Berl. Ac. 1873, p. G23. 



Tongue subcircular, entire. Yomeiinc teeth in two obliquB series 

 commencing on a level Avith the hinder edge of the choana'. Snout 

 rounded, slightly longer than the greatest orbital diameter ; nostril 

 equally distant fi'om the eye and the tip of the snout ; interorbital 

 space as broad as the upper eyelid ; tympanum slightly distinct. 

 Fingers moderate, first not extending beyond second ; toes moderate, 

 with a slight rudiment of web : subarticular tubercles not much 

 developed : a small inner, and an indistinct outer metatarsal tubercle. 

 The hind limb being carried forwards along the body, the tibio- 

 tarsal articulation reaches the eye. Skin smooth, the upper surfaces 

 distinctly porous. Brownish above, indistinctly marbled with darker ; 

 a light dorsal stripe. 



Chili. 



a. 2 • Chili. C. DarAvin, Esq. [P.]. 



b. Yg. S. America. C. Darwin, Esq. [P.J. 



3. Borborocoetes hidalgi. 

 Cystiguathus bidalgoi, Espada, Viaj, Pacif., Vertebr, p. 76. 



Tongue circidar, nicked behind. Vomerine teeth in two nearly 

 straight series between the choante. Suout rounded ; tympanum 

 distinct, vertically elliptic, half the diameter of the eye. First finger 

 as long as second ; toes fringed, with a rudimentary web ; subarti- 

 cular tuljcrclcs moderate. The hind limb being carried forwards 



