Tailless Batrachians in the British Museum. 183 



temple, sometimes continued along the side of the body; 

 limbs with ill-defined dark cross-bars ; lower parts white. 



From snout to vent 35 mm. 



Three specimens from the Province Sara, Department 

 Santa Cruz de la Sierra, Bolivia, collected by Hr. J. 

 Steinbach. 



Most nearly allied to H. boans, Daud., and H. Spegazziniif 

 Blgr. 



Hyla platydactyla. 



Tongue subcircular, entire, slightly free behind. Vomerine 

 teeth just behind the level of the moderately large choanas, in 

 two slightly oblique series converging forwards. Head 

 moderate, much depressed, a little broader than long ; snout 

 rounded, hardly as long as the orbit ; canthus rostralis 

 distinct ; loreal region very oblique, concave ; nostril near 

 the tip of the snout ; interorbital region a little broader than 

 the upper eyelid ; tympanum rather indistinct, one third the 

 diameter of the eye. Fingers mucli flattened, with a short 

 basal web which extends as a fringe to the disks; toes short, 

 much flattened, with a deeply notched web extending to the 

 disks ; latter about half the diameter of tlie eye; subarticular 

 tubercles feeble ; no tarsal fold. Tibio-tarsal articulation 

 reaching the eye. Skin smooth above, granular on the belly 

 and under the thighs. Purplish above, closely dotted with 

 darker ; upper surface of arms and thighs white, with a 

 median stripe of closely set dark purple dots; lower parts 

 white. Male with a feebly developed subgular vocal sac. 



From snout to vent 32 mm. 



A single male specimen from Merida, Andes of Venezuela, 

 collected by Senor Briceno. 



Allied to H. Vilsom'ana, Cope (creolica, Werner). 



Hyla graminea. 



Tongue heart-shaped, free behind. Vomerine teeth in two 

 widely separated short transverse groups between the very 

 large choana?. Head rather large, much depressed, a little 

 broader than long ; snout rounded, as long as the orbit ; 

 canthus rostralis indistinct ; loreal region very oblique, 

 slightly concave ; nostril near the end o£ the snout ; inter- 

 orbital space twice as broad as the upper eyelid ; tympanum 

 very distinct, three fourths the diameter of the eye. Fingers 

 mucli flattened, nearly entirely webbed ; toes also much 

 flattened and entirely webbed ; disks nearly as large as the 



