4. HYLA. 355 



webbed ; disks of fingers half the diameter of the tympanum, of 

 toes a little smaller ; subarticular tubercles moderate. Tbe hind 

 limb being carried forwards along tbo bod} - , the tibio-tarsal articu- 

 lation reaches nearly the tip of the snout. Head and back covered 

 with small, irregular tubercles ; beneath granulate. Grey above, 

 indistinctly marbled with darker; sides of body and thighs and 

 lower surface of hind limbs black- and white-marbled ; lower 

 surface of head and body whitish, brown-spotted. From snout to 

 vent 44 millim. 

 Amazons. 



a. 2- Santarem. H. A. Wickharn, Esq. [C] 



13. Hyla corticalis. 



Hyla corticalis, Giinth. Cat. p. 105. 

 Hyla (Lopkopus) corticalis, Burmeist. Erlauter. p. 95, pi. 30. f. 7-12 

 corticalis, Peters, lion. Berl. Ac. 1872, p. 682. 



Tongue circular, slightly nicked, and scarcely free behind. Vome- 

 rine teeth in two oblique, slightly curved series behind the level of 

 the rather large choanae, convergent towards front. Head broader 

 than long ; snout rounded, about once and a half as long as the 

 diameter of the orbit ; canthus rostralis blunt ; loreal region slightly 

 concave ; interorbital space broader than the upper eyelid ; tym- 

 panum very distinct, three fourths the diameter of the eye. Three 

 outer fingers webbed to the disks ; no projecting rudiment of pollex ; 

 toes entirely webbed ; disks of fingers a little smaller than the 

 tympanum ; subarticular tubercles small. The hind limb being 

 carried forwards along the body, the tibio-tarsal marks the tip of 

 the snout. Upper surfaces minutely tubercular ; lower surfaces 

 granulate ; a denticulated fringe along the outer side of forearm and 

 tarsus and near the vent ; heel with a triangular dermal process. 

 Brownish above, indistinctly variegated with darker ; sides of body 

 and of thighs with vertical dark lines ; whitish beneath, immaculate. 

 From snout to vent 69 millim. 



Brazil. 



a. 2 ■ Rio Janeiro. A. Fry, Esq. [P.]. 



14. Hyla tuberculosa. (Plate XXIV. fig. 1.) 



Tongue circular, entire, scarcely free behind. Vomerine teeth in 

 two oblique series convergent towards front, behind the level of the 

 large choanse. Head much depressed, broader than long ; snout 

 rounded, the tip truncate, a little longer than the diameter of the 

 orbit ; canthus rostralis very distinct, strongly curved ; loreal region 

 concave ; interorbital space much broader than the upper eyelid, 

 slightly concave : tympanum very distinct, two thirds the diameter of 

 l lie eye. Second and fourth fingers webbed to the disks, third to 

 penultimate phalange ; no projecting rudiment of pollex ; toes 

 entirelv webbed ; disks of fingers larger than the tympanum, of toes 



2a 2 



