FROGS OF COLOMBIA — COCHRAN AND GOIN 



297 



rather rounded when viewed from above, truncate in profile, the upper 

 jaw extending but very slightly beyond lower; nostrils more lateral 

 than superior, slightly projecting, their distance from end of snout 

 about one-third that from eye, separated from each other by an inter- 

 val equal to about three-fourths their distance from eye. Canthus 

 rostralis slightly defined; loreal region somewhat rounded and nearly 

 vertical; the upper lip not flaring out below it. Eye large, very promi- 

 nent, its diameter equal to lKjtimes its distance from nostril; palpebral 

 membrane not reticulate; interorbital distance slightly greater than 

 width of upper eyelid, which is relatively wide and slightly greater 

 than distance between nostrils. Tympanum distinct, about one-third 

 the diameter of eye, separated from eye by a distance nearly equal to 

 one-third its own diameter. Fingers webbed to proximal end of penul- 

 timate phalanx of third finger and to middle of penultimate phalanx of 

 fourth; fourth finger considerably longer than second, reaching to base 

 of disk of third which snugly covers the tympanic area; no projecting 

 rudiment of a pollex; no ulnar ridge. Toes slightly more than one-half 

 webbed, the web on fourth toe reaching distal end of antepenultimate 

 phalanx, third and fifth toes subequal, disk of fourth toe covering 

 about three-fourths the tympanic area; an oval inner and a smaller 



.. 



Figure 32. — Hyla sarayacuensis, UF 8521-1 (X 2). 



