20 



BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM 



vomerine teeth in two heavy, wide series on a line with the posterior 

 border of the choanae and not separated from each other by any 

 appreciable distance; head broader than long; nostrils near the tip of 

 the snout, their distance from each other equal to their distance 

 from the eye; snout somewhat truncate in profile, rounded when 

 viewed from above ; interorbital width slightly exceeding the diameter 

 of the eye opening; no indication of ossification in the derm of the 



Figure 5. — Hyla vasta: a. Dorsal view; J, inside of mouth; c, side of head; d, underside of 

 forefoot; e, underside of hindfoot. U.S.N.M. No. 65757, from Liali, Dominican Republic. 

 Three-fourths natural size. 



head; can thus rostralis rounded, the loreal region concave; upper lip 

 not projecting conspicuously; tympanum distinct, its width slightly 

 more than half that of the eye opening, separated from the eye by a 

 little less than its width. The hindlimb being adpressed, the tibio- 

 tarsal articulation reaches beyond the tip of the snout; digits with 

 very large disks, those of the fingers about one and one-fourth times 

 the diameter of the tympanum, those of the toes slightly larger than 



