276 Mr. G. A. Boulenger on new Batrachians. 



Bufo gracilipes. (PL XII. fig. 2.) 

 Crown without bony ridges. Snout obtusely pointed, 

 truncate ; interorbital space broader than the upper eyelid ; 

 tympanum very distinct, two thirds the diameter of the eye. 

 Fingers slender, first extending considerably beyond second ; 

 toes slender, with a mere rudiment of web ; subarticular 

 tubercles single ; metatarsal tubercles small, feebly prominent ; 

 no tarsal fold. The tibio-tarsal articulation reaches the 

 tympanum, the tarso-metatarsal the tip of the snout. Skin 

 rough with small conical warts ; parotoids very small, flat, 

 very indistinct. Dark brown above, marbled with reddish, 

 whitish beneath. 



From snout to vent 37 millim. 



A single specimen from the Benito River, French. 

 Collected by Mr. G. L. Bates. 



Hyla picturata. (PI. XII. figs. 3, 3 a.) 



Tongue circular, entire, nearly entirely adherent. Vome- 

 rine teeth in two strong angular series, forming a /"\ be- 

 tween the very large choanal. Head large, much depressed, 

 a little broader than long ; snout as long as the diameter of 

 the orbit, rounded, slightly prominent at the end ; canthus 

 rostralis indistinct ; loreal region very oblique, slightly con- 

 cave ; nostril near the tip of the snout ; interorbital space as 

 broad as the upper eyelid ; tympanum distinct, not quite half 

 the diameter of the eye. Limbs slender. Outer fingers one- 

 third webbed ; disks as large as the tympanum ; no distinct 

 rudiment of pollex. Toes three-fourths webbed. The tibio- 

 tarsal articulation reaches a little beyond the tip of the snout ; 

 tibia three fifths the length of the head and body. Skin 

 smooth ; belly and lower surface of thighs feebly granulate ; 

 no dermal appendages. Violet above, with cream-coloured 

 spots edged with purplish red ; these spots arranged in groups 

 with great symmetry, one on the head and nape, another in 

 front of the sacrum, and a third on the coccygeal region; a 

 white transverse band, interrupted in the middle, between 

 the eyes; lores and temples whitish, with reddish markings ; 

 limbs creamy white above, with violet cross-bars alternating 

 with narrower purplish-red ones j humerus and concealed 

 surfaces of the hind limbs colourless ; lower parts white. 

 From snout to vent 59 millim. 



A single female specimen from Paramba, N.W. Ecuador. 

 Nearest allied to H. crepitans, Wied. 



