5(5 KEPOHT ON A COLLECTION FROM 



swollen at tbc end, first nearly as long as but not reaching so far as second. Toes very 

 short, depressed, swollen at the end, webbed at the base, the web continued as a fringe 

 alono- the sides ; no distinct subarticular or metatarsal tubercles. The tarso-metatarsal 

 articulation reaches the tympanum ; tibia as long as the foot, two-fifths length of head 

 and body. Skin thick, perfectly smooth, shiny on the upper parts ; a strong fold from 

 the eye to the insertion of the thigh. Blackish brown above ; groin and binder side of 

 thighs orange, spotted with black ; throat and breast dark brown ; belly and lower 

 surface of limits whitish with some brown dots. 



Prom snout to vent 53 millim. 



A single specimen from the foot of Mt. E-oraima, 3600 feet. 



4. Hylodes marmoratus, sp. n. (Plate 5. fig. 6.) 



Tongue circular, entire ; vomerine teeth in two very small oblique groups behind the 

 level of the choana;. Head a little longer than broad ; snout rounded, not prominent, 

 as long as the diameter of the orbit, with obtuse canthus rostralis and concave loreal 

 region ; nostril much nearer the tip of the snout than the eye ; interorbital space nearly 

 as broad as the upper eyelid ; tympanum distinct, one-fourth the diameter of the eye. 

 Digits moderately elongate, with well-developed disks, which are as large as the 

 tympanum, and strong subarticular tubercles ; first finger sliorter than second ; toes 

 quite free ; a small, oval, inner metatarsal tubercle. Tlie tibio-tarsal articulation reaches 

 l^etween the eye and the nostril ; tibia half the length of head and body. Skin smooth 

 above, with feeble oblique glandular ridges on the occiput ; belly granular. Grey-brown 

 above, with brown, dark-edged marblings on the head and body and cross-bars on the 

 limbs; dark bars radiating from the eye; grey-brown beneath. 



Prom snout to vent 19 millim. 



A single specimen from the foot of Mt. Roraima, 3500 feet. 



5. Hyla albomauginata, Spix. 



EXPLANATION OF PLATE 5. 



