FROGS OF COLOMBIA — COCHRAN AND GOIN 



275 



mathiassoni it can be distinguished by the presence of a dorsal pattern 

 and the absence of conspicuous longitudinal dark lymph glands 

 which run from the region of the shoulder to above the groin on each 

 side. Finally, it differs from riveroi in lacking a pattern of dark bars 

 that tend either to be arranged transversely across the back or in 

 scattered blotches. 



Description. — CNHM 81856, from Andagoya, Choc6, Colombia. 

 Vomerine teeth in two small, rounded patches, lying between the 

 small, rounded choanae; tongue two-thirds as wide as mouth opening, 

 broadly rounded, its posterior border slightly free and very shallowly 

 notched. Snout short, somewhat triangular when viewed from above, 

 rather rounded in profile, the upper jaw extending slightly beyond 

 lower; nostrils more lateral than superior, very slightly projecting, 

 their distance from end of snout about one-half that from eye, sepa- 

 rated from each other by an interval equal to about their distance 

 from eye. Can thus rostralis moderately well defined; loreal region 

 nearly flat and nearly vertical, the upper lip not flaring out strongly 



Figure 27 — Hyla phlebodes, CNHM 81856 (X 3). 



