360 HTLID^. 



lower surfaces whitish, immaculate. From snout to vent 50 

 millim. 



Ecuador ; (British- Guiana ?). 

 a. 2 ■ Ecuador. Mr. Fraser [0.]. (Type.) 



23. Hyla boans. 



Hyla multifasciata, Gilnth. Cat. pp. 101 & 146, pi. viii. f. D. 



Hyla boans, Oiinth. I. c. p. 102. 

 Hyla boans, baud. Rain. p. 31, pi. 11, ore(? i?e^i. viii. p. 64; Bum. 



^ Bibr. p. 605 ; Barmeist. Erldider. p. 108. 

 albopunctata, Spi.r, Spec. Nov. Test. Man. p. 33, pi. 6. f . 5 ; 



Peters, Mon. Berl. Ae. 1872, p. 207. 

 oxyrhina, Reinh. §■ Liitk. Pideiisk. Meddel. 1861, p. 189 ; Cope, 



Proc. Ac. Philad. 1863, p. 48. 

 Hypsiboas raniceps, Cope, Proc. Ac. Philad. 1862, p. 353. 

 albipunctatus. Cope, Journ. Ac. Philad. (2) yi. 1867, p. 201. 



Tongue subcircular or suboval, entire or slightly nicked, adherent. 

 Vomerine teeth between the large choanas, in two series forming a 

 /~\ or a n. Habit slender, somewhat like Bana agilis. Head as 

 long as broad, or a little longer than broad ; snout subacuminate, 

 measuring about once and one third the diameter of the orbit ; the 

 distance between the nostril and the eye equals the diameter of the 

 latter ; canthus rostralis angular, straight ; loreal region not very 

 oblique, slightly concave ; interorbital space as broad as the upper 

 eyelid ; tympanum very distinct, about two thirds the width of the 

 eye. A very slight web between the three outer fingers, none 

 hetween the inner ; a slight rudiment of poUex ; toes two-thirds 

 webbed ; disks of fingers and toes much smaller than the tympanum; 

 subarticular tubercles well developed. The hind limb being carried 

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

 tip of the snout or beyond ; the tibia measures the distance from 

 axiUa to vent, or somewhat less. Skin smooth, granular on the 

 belly and under the thighs ; a narrow, straight, glandular fold from 

 the eye above the tympanum, lost at a small distance beyond the 

 vertical of the shoulder. Greyish or reddish brown above, generally 

 with more or less distinct dark bands across the head, body, and 

 limbs ; sometimes a dark vertebral line ; sides of head and of limbs 

 dark brown; lower lip white, with a brown margin ; beneath whitish, 

 immaculate. Male with an external gular vocal sac. From snout 

 to vent 70 millim. 



Guianas; Brazil. 



.Or-h. ? . Surinam. Mr. Bartlett [0.]. 



c. 2 . Surinam. Herr Kappler [C.]. " 



d. Hgr. Surinam. 



e. S ■ Pernambuoo. Sir A. Smith [P.J. 



/.Hgr. Para. Mr. Stevens [C.]. (Type oi Syla 



multifasciata^ 

 y. 2 ■ Santarem. H. A. Wickham, Esq. [C.]. 



h. 2 . Brazil. Prof. Reinhardt |;P,1. (As typical 



of Hyla oxyrhina.) 



