2, PHRYNISCUS. too 
more or less regular black figures; sides black; beneath whitish, 
immaculate. Male with a subgular vocal sac. 
C. America; Venezuela. 
a-c. 3 Q. Curanna, Venezuela, Mr. Dyson, 
d-e. 3. Central America. Sir A, Smith [P.]. 
_ 10, Phryniscus elegans. 
Habit slender. Head longer than broad, its length contained 
nearly three times in that of the trunk; sides of head vertical ; 
snout prominent, truncate, not pointed, a little longer than the 
diameter of the eyeball; nostril nearer the tip of the snout than the 
eye; interorbital space broader than the upper eyelid. Fore limb 
slender, longer than the trunk; fingers slightly webbed at the base, 
first very short; no metacarpal nor subarticular tubercles. Hind 
limb slender; the tibio-tarsal articulation marks the middle of the 
eye; toes nearly entirely webbed, inner very short but perfectly 
distinct; no subarticular nor metatarsal tubercles. Skin perfectly 
smooth. Light pinkish grey above, vermiculated with broad black 
lines; a black streak from the tip of the snout, through the eye, 
along each side of the body to the groin; lower surfaces white, 
immaculate, except a few small black spots under the limbs. 
Keuador. 
Go. Tanti, 2000 feet. Edw. Whymper, Esq. [C.]. 
11. Phryniscus bibronii. 
Phryniscus bibronii, Giinth. Cat. p. 137. 
? Hyleemorphus bibronii, Schmidt, Denkschr. Acad, Wien, 1858, p. 256, 
ds as fe 20% 
Habit very slender. Head longer than broad, its length contained 
twice and a half in the length of the trunk ; sides of head vertical ; 
snout prominent, truncate, not pointed, longer than the diameter of 
the eyeball; nostril nearer the tip of the snout than the eye; inter- 
orbital space broader than the upper eyelid. Fore limb slender, 
longer than the trunk; fingers webbed at the base, first very short ; 
no metacarpal nor subarticular tubercles. Hind limb very long, the 
tibio-tarsal articulation reaching the nostril; toes half webbed, 
inner very short but perfectly distinct; no subarticular nor meta- 
tarsal tubercles. Skin perfectly smooth. Whitish above, with 
broad brown reticulated bands; along the side of head and body a 
broad brown band; lower surfaces whitish, immaculate. 
Colombia. 
Ge 2D. Puerto Cabello. Sir A, Smith [P.]. 
The examination of a large series of specimens may prove the 
three latter species not to be specifically separable from one another. 
