4. HYLA. 403 



behind the level of the choanje. Head broad, snout very short ; 

 eanthus rostralis obsolete ; tympanum two fifths the diameter of tlie 

 eye. Fingers free ; toes quite short, only about half webbed ; disks 

 nearljr as large as the tymjmnum. The hind limb being carried for- 

 wards along the body, the tibio-tarsal articulation reaches the posterior 

 portion of the orbit. Superior and lateral integument thickened, 

 and studded on the back with rather large, obtuse warts. Light 

 purplish brown, with or without a broad blackish band extending 

 from above the tympanum to the groin, separating the darker dorsal 

 region from the sides. From snout to vent 38 millim. 

 Vera Cruz. 



109. Hyla acuminata. 



Hyla acuminata, Cb/je, Proc. Ac. Philacl. 1862, p. 354. 

 Scytopis acumiuatus, Cope, Proc. Ac. Philad. 1874, p. 124. 



Tongue subcircular or suboval, sligbtly nicked and scarcely free 

 behind. Vomerine teeth in a straight series between the large 

 choanoe. Head depressed, longer than broad ; snout subacumiuate, 

 twice as long as the diameter of the eye ; can thus rostralis indistinct ; 

 loreal region not concave ; eye rather small ; interorbital space 

 broader tlian the upper eyelid ; tympanum very distinct, a little 

 more than half the diameter of the eye. Fingers free ; no projecting 

 rudiment of poUex ; toes three-fourths webbed, first quite free ; disks 

 nearly as large as the tj'mpanum ; subarticular tubercles moderate. 

 The hind limb being carried forwards along the body, the ti)no-tarsal 

 articvdation reaches between the eye and the tip of the snout. Upper 

 surfaces tubercular, the tubercles most distinct on the head and the 

 sides of the body ; heel with a conical tubercle ; lower surfaces gra- 

 nulate. Brown above, marbled with darker ; limbs cross-barred ; 

 whitish beneath, throat and chest dotted with brown. From snout 

 to vent 40 millim. 



S. America. 



a. 2 . British tiuiana. 



h. 2 . Surinam. Mr. Bartlett [CI. 



c. 5 • Santarem. Mr, Wickham [C.]. 



110. Hyla rubra. 



Hyla rubra, Gimth. Cat. p. 110. 

 Hyla rubra, Dciud. Rain. p. 20, pi. 9, and Pept. viii. p. 53 ; Latr. 



Pept. ii. 1). 176 : Dmn. Sf Bihr. p. 592 ; Barmeist. Erliiulr. p. 109 ; 



Peinh. 4" Lidk. Videiish. Meddd. 1861, p. 196 ; Steindachn. Kooarn, 



Amph. p. 60 ; Peters, Mon. Berl. Ac. 1872, pp. 207 & 218. 

 Calaniita ruber, Merr. Tent. p. 171. 

 Hyla lateristriga, Spix, Spec. Nov. Test. Pan. p. 32, pi. 6. f. 4. 



Cferulea, <S)«.r, I. c. p. 37, pi. 10. f. 1. 



x-.signata, Spix\ I. c. p. 40, pi. 11. f. 3. 



Auletris rubra, Wagl. Syst. Amph. p. 201. 



Hvla cvnccephala, Dum. <§• Bibr. p. 5-38; Peters, Mon. B^rl. Ac. 



'1873,' p. 613. 



2d2 



