4. BUFO. 291 
hind limb being carried forwards along the body, 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 [from snout to vent 177 millim. }. Demerara Falls. 
b. Her. Demerara Falls. 
12. Bufo glaberrimus. 
Bufo glaberrimus, Giinth. Proc. Zool. Soc. 1868, p. 483, pl. 37. f. 2. 
Crown without bony ridges ; snout short, truneated, with angular 
canthus rostralis ; loreal region vertical ; interorbital 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 
spot 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. 3. Bogota. (Type. ) 
ba: Canelos, Ecuador. Mr. Buckley [C. ]. 
Mes Faas Sarayacu, Ecuador. Mr. Buckley [C.]. 
13. Bufo ceruleostictus. (Prare XXI. fig. 1.) 
Bufo czruleostictus, Giinth. Proc. Zool. Soc. 1859, p. 415. 
Crown with but a slight indication of bony ridges; snout short, 
rounded, with angular canthus rostralis ; interorbital 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.) 
Keuador. 
a,b. Q. W. Ecuador. Mr. Fraser LO (Types.) 
at 
