I 



2. PHRTNISCT7S. 155 



more or loss regular black figures ; sides black ; beneath whitish, 

 immaculate. Male with a subgular vocal sac. 

 C.America; Venezuela. 



(t-c. S 2 • Cui-anna, Venezuela. Mr. Dyson. 



d-c. cJ. Central America. Sir A.' Smith [P.]. 



10. rhvynioouD 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 Avcbbcd 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 tlie body to the groin ; lower surfaces white, 

 immaculate, except a few small black spots under the limbs. 



Ecuador. 



a. 2 . Tanti, 2000 feet. Edw. ^Tiymper, Esq. [C.]. 



11. Phrynisctts bibronii. 



Plu'vniscus bibronii, Gi'inth. Cat. p. 1.37. 

 ? Hylfemorphus bibronii, ScJimidt, Denkschr. Acad. Wien, 1858, p. 256, 

 t.3.f.2.3 > 'V , 



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. 



a. ? . 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. 



