356 mylibm. 



smaller ; subarticular tubercles moderate. The hind limb being 

 carried forwards along the body, the tibio-tarsal articulation marks 

 the tip of the snout. The whole of the upper surfaces covered with 

 small warts, intermixed with largo ones ; lower surfaces granulate; 

 a denticulated fringe along the outer side of forearm, outer finger, 

 tarsus, and outer toe. Light reddish brown above, indistinctly 

 spotted with darker ; limbs with a few chestnut-brown cross bars ; 

 beneath whitish, immaculate. From snout to vent 67 millim. 

 Ecuador. 



a. $ . Cauelos. Mr. Buckley [C.]. 



15. Hyla alboguttata. (Plate XXIII. fig. 4.) 



Tongue subcircular, indistinctly nicked, and slightly free behind. 

 Vomerine teeth between the large choanse, in two oblique series, 

 forming together a chevron the point of which is turned forwards. 

 Head moderate, rather depressed, as long as broad ; snout rounded, 

 slightly longer than the diameter of the orbit ; canthus rostralis 

 distinct; loreal region concave; interorbital space as broad as the 

 upper eyelid ; tympanum very distinct, half the diameter of the eye. 

 Fingers with a very slight rudiment of web ; no projecting rudiment 

 of pollex ; toes two-thirds webbed ; disks of fingers nearly as large 

 as the tympanum, of toes smaller ; subarticular tubercles moderate. 

 The hind limb being carried forwards along the body, the tibio- 

 tarsal articulation reaches the front of the eye, or between the eye 

 and the tip of the snout. 8kin smooth above, granulate beneath. 

 Light brown above, with small blackish spots ; upper lip white- 

 margined ; flanks and upper surface of thighs with small round 

 white spots, absent in one specimen ; beneath whitish, with dark 

 reticulation. From snout to vent 45 millim. 



Ecuador. 



a-b. 5 . Sarayacu. Mr. Buckley [C.l 



c. 2 • Oanelos. Mr. Buckley [O.j. 



16. Hyla albomarginata. 



Hyla albomarginata, Giinth. Cat. p. 98. 

 Hyla albomarginata, Spi.r, Spec. Nov. Test. Ran. p. 33, pi. 8. f. 1 ; 



Bum. Sf Bibr. p. 555; Reinh. # Liitk. Vidensk. Meddel. 1861 



p. 186 ; Steindaehn. Novara, Aviph. p. 57 ; Peters, Mon. Bed. Ac. 



1872, p. 208. 

 infulata, Wied, Beitr. Natary. Bras. i. p. 533; Burmeist. 



Erlduter. p. 97, pi. 30. f. 1-6. 

 — — punctata, Wied, Abbild. 

 Hypsiboas albomarginata, Wayl. Syst. Amph. p. 201. 



Tongue subcircular, entire or slightly nicked, adherent. Vomerine 

 teeth between the large choanae, in two series, forming together a 

 / \or a ^. Head moderate, a little broader than long; snout rounded 

 sometimes rather acuminate, once and a half as long as the diameter of 



