4.- HyL.4. 351 



the outer finger and toe) deep black ; in specimen &, the sides of the 

 body are marbled with blackish, and the black of the limbs not so 

 intense, the hind limbs are distinctly cross-barred with darker ; 

 the other specimens are intermediate between these two extremes. 

 Lower surfaces white, immaculate. Male with an internal subgular 

 vocal sac, and brown rugosities on the inner side of the first digit 

 during the breeding-season. Prom snout to vent 42 millim. 

 Eahia ; E. Ecuador. 



a, b, c. (S . Canelos, Ecuador. Mr. Buckley [CI 



d. ^ . Sarayacu, Ecuador. Mr. Buckley [C.J. 



4. Hyla vasta. 



Hyla vasta, Cope, Proc. Ac. Philad. 1871, p. 219. 



Vomerine teeth in two rather long transverse arches opposite the 

 posterior margin of the choanse. Head broad; snout short, rounded ; 

 canthus rostralis well marked, concave ; vertex strongly concave ; 

 tympanum one fourth the area of the eye. Fingers and toes nearly 

 entirely webbed ; no projecting rudiment of pollex ; disks immensely 

 large, the largest being twice the size of the tympanum. The hind 

 limb being carried forwards along the body, the tibio-tarsal articu- 

 lation marks the tip of the snout. Skin covered everywhere with 

 small warts, which are indistinct or obsolete on the median upper 

 surfaces of body and limbs ; lower surfaces areolate-warty ; fore- 

 arm and tarsus bordered by a dermal fold behind, which has a scal- 

 loped thickened margin ; some small dermal flaps near the vent. 

 Colour above smoky grey, blackish on the head, with a brown band 

 between the eyes ; inner surfaces dirty flesh-colour, femur with 

 three or four dusky cross bands, unspotted behind ; throat black- 

 spotted. From snout to vent 126 millim. 



San Domingo, W. Indies. 



5. Hyla faber. 



Hyla maxima, Giinth. Cat. p. 99. 

 Hyla faber, Wied, Reise Bras. ii. p. 249, and Beitr. i. p. 519, and 



Abhild. ; Peters, Mon. Berl. Ac. 1872, p. 218. 

 geograpMoa, var., sive semilineata, Spix, Spec. Nov. Test. Ran. 



p. 40, pi. 11. f. 2. 

 Hypaiboasgeogi-aphica, part., Wagl. Syst. Amph. p. 200. 

 — ^ faber, Wagl. I. e. 

 Hyla palmata, part., Bum. 8f Bih: p. 54.5. 



palmata, Burmeist. Brliiuter. p. 102. 



maxima, Reinh. Sr Ziitk. Vidensh. Meddel. 1861, p. 183 ; Hensel, 



Arch.f. Naturg. 1867, p. 156. 



Tongue subcircular, entire or indistinctly nicked, adherent. 

 Vomerine teeth between the very large choanse, in two arched or 

 angular series, forming together a n or a /~\. Head rather large, 

 depressed, broader than long j snout rounded, once and a half as 



