4. BiJFO. 291 



hind limb being carried forwards along the bod}-, the tarso-metatarsal 

 articulation reaches the eye. Upper surfaces with flat, scarcely pro- 

 minent warts ; parotoids large, depressed, descending to the arm- 

 pit ; lower surfaces nearly smooth. Brown above ; greyish brown 

 beneath, with round light spots ; lower lip bordered with light 

 spots. 

 Guiana. 



a. 2 [fi-'om snout to vent 177 millim.]. Demeyara Falls. 



b. Hgr. Demerara Falls. 



12. Bufo glaberrimus. 



Bufo glaberrimus, Giinfh. Proc. Zool. Soc. i$G8, p. 483, pi. 37. f. 2. 



Crown Avithout bony ridges ; snout short, truneated, with angular 

 canthus rostralis ; loreal region vertical : iuterorbital space as broad 

 as the upper eyelid ; tympanum very distinct, about half the width 

 of the eye. First finger extending beyond second ; toes nearly 

 half webbed, with simple subarticular tubercles ; two slightly 

 developed metatarsal tubercles ; an indistinct tarsal fold. The hind 

 limb being carried forwards along the body, the tarso-metatarsal 

 articulation reaches between the eye and the nostril. Skin per- 

 fectly smooth, with a few slight tubercles on the sides of the body ; 

 parotoids large, ovate, very prominent. Upper parts brownish 

 black ; the sides black ; in one specimen a beautiful rose-coloured 

 8j)ot in the groin, and smaller spots of the same colour on the hinder 

 part of the thigh ; lower parts blackish, with white dots. Male 

 with a subgular vocal sac, 



Colombia ; Ecuador. 



a. cJ. Bogota. (Type.) 



b. 2 , Canelos, Ecuador. Mr. Buckley [C. 



c. HgT. Sarayacu^ Ecuador. Mr. Buckley [C. 



13. Bufo cseruleostictus. (Plate XXI. fig. 1.) 

 Bufo cferuleostictus, Gdnth. Proc. Zool. Soc. 1859, p. 415. 



Crown w^th but a slight indication of bony ridges ; snout short, 

 rounded, with angular canthus rostralis ; iuterorbital space concave, 

 broader than the upper eyelid ; tympanum hidden. First finger 

 extending slightly beyond second ; toes webbed at the base, with 

 simple subarticular tubercles ; two feebly developed metatarsal 

 tubercles ; a tarsal fold. Limbs rather slender. The hind limb 

 being carried forwards along the body, the tarso-metatarsal articu- 

 lation reaches between the eye and the tip of the snout. Skin nearly 

 smooth, or with small flat tubercles ; parotoids elliptic, elongate. 

 Uniform dark brown above, greyish brown beneath. (Male with a 

 subgular vocal sac.) 



Ecuador. 



a,h. $ . ^\. Ecuador. :Mi-. Eraser [C.]. (Types.) 



v2 



