4. BTJFO. 323 



vertebral liae ; beneath immaculate. Male -with a subgular vocal 

 sac. 



Uruguay; 8. Brazil. 



«-e. d & yg. Monte Video. 0. Darwin, Esq. [P. . 



<^- ?• Montevideo. 



69. Biifo sternosiguatus. 



Bufo sternosignatus, Oilnth. Cat. p. 68, pi. 5. f. 0. 

 Biifo sternosignatus, Kef erst. Ootting. Nachr. 1867, p. 352, and Wiegm. 

 Arch. 1868, p. 294. 



Cro-nrn wifch. a low. ridge round the orbit and a strong orbito- 

 tympanic one ; snout pointed, vertically truncate ; interorbital space 

 flat, broader than the upper eyelid; tympanum distinct, about 

 two thirds the width of the eye. First finger not extending be- 

 yond second ; toes half webbed, with generally double subarticular 

 tubercles ; two moderate metatarsal tubercles ; no tarsal fold. The 

 hind limb being carried forwards along the body, the tarso-meta- 

 tarsal articulation reaches the eye. Upper surfaces covered with 

 small tubercles ; parotoids moderate, subtriangular ; a lateral series 

 of larger tubercles, commencing from the posterior angle of the 

 parotoid. Brownish above, with symmetrical dark-brown markings, 

 the most constant of which is a broad cross band between the eyes; 

 a more or less defined light vertebral line, sometimes black-edged; 

 throat and breast spotted or marbled with brown, with a rect- 

 angular light cross. Male with a subgular vocal sac. 



Venezuela ; Colombia ; Costa Eica. 



a. 5 . Puerto Oabello. I iti^„„„ 



h-c. S9.. Venezuela. j '^P®^' 



d-e. Hgr. Bogota. 



70. Bufo canaliferus. 



Bufo canaliferus, Cope, Proc. Amer. Philos. Soc. xvii. p. 85. 



Head narrow, with strong ridges, viz. a preorbital, a supra- 

 orbital, a postorbital, and a very short orbito-tympanic ; snout 

 slightly prominent, contracted ; interorbital space gutter-like, a 

 little narrower than the upper eyelid; tympanum distinct, some- 

 what more than half the diameter of the eye. _ Erst finger not 

 extending beyond second ; toes half webbed, with simple subarti- 

 cular tubercles ; two rather small metatarsal tubercles ; no tarsal 

 fold. The hind limb being carried forwards along the body, the 

 tarso-metatarsal articulation reaches between the eye and the tip of 

 the snout. Skin tubercular ; parotoids large, triangular ; a lateral 

 series of large tubercles. Light brown above, with a light vertebral 

 band ; on each side of the latter are large blackish-brown angular 

 spots ; a dark band extending from the orbit to the middle of the 

 side ; beneath immaculate. Male with a subgular vocal sac. 



Tebuantepeo. 

 a, (J. Tehuantepec. Brussels Museum [E.]. 



T 2 



