16. PEOSTHEEAPIS. 17. PHYILODEOMTTS. 139 



very small metatarsal tubercles. The hind limb being carried 

 forwards along the body, the tibio-tarsal articulation reaches the 

 eye. Skin tubercular above. Dark brown above, sides blackish ; 

 upper lip white ; lower surfaces variegated with grey and white. 

 Male with a subgular vocal sac. 

 Colombia ; Ecuador ; Demerara. 



a. (J. Sarayacu. Mr. Buckley [0.1. 



b. ? . Canelos. Mr. Buckley [O.J. 

 e. ? . Demerara. Zool. Soc. 



In the latter specimen, the axillae and a spot on the loin are of a 

 beautiful pink colour; the belly and the inferior surface of the 

 limbs are whitish, brown-spotted. 



2. Prostherapis whymperi. 



Snout depressed, projecting, truncate, with angular canthus ros- 

 tralis ; loreal region nearly vertical ; nostril nearer the tip of the 

 snout than the eye ; interorbital space broader than the upper eye- 

 lid ; tympanum perfectly distinct, two thirds the width of . the eye. 

 Pirst and second fingers equal ; toes quite free ; disks of fingers 

 and toes small; subarticular and inner metatarsal tubercles indis- 

 tinct ; no outer metatarsal tubercle. The hind limb being carried 

 forwards along the body, the tibio-tarsal articulation marks the 

 anterior border of the eye. Skin everywhere perfectly smooth. 

 Blackish ; throat and belly marbled with grey ; lower surface of 

 hind limbs greyish, of arms whitish. Male with an internal vocal 

 sac. From snout to vent 24 millim. 



Ecuador. 



a. c?. Tanti (2000 feet). Edward Whymper, Esq. [0.]. 



17. PHYLLODROmUS. 



Phyllodromus, Espada, Viaj. Pacif., Vertebr. pi. 8. f. 3 (no descrip- 

 tion). 



Pupil horizontal. 3'ongue elliptic, entire and free behind. 

 Vomerine teeth none. Tympanum distinct. Eingers free, toes 

 nearly free, dilated into distinct disks, each of which exhibits two 

 leathery dermal scales on the upper side, separated by a fissure. 

 Outer metatarsals united. Omostemum cartilaginous; sternum a 

 small cartilaginous plate. Terminal phalanges T-shaped. 



Ecuador. 



1. Phyllodronms pulchellus. 



Phyllodromus pulchellum, Espada,.l. c. (no description). 



Snout depressed, projecting, truncate from above ; canthus ros- 

 tralis angular ; loreal region vertical ; nostril nearer the tip of the 

 snout than the eye; interorbital space broader than the upper 



