FROGS OF COLOMBIA — COCHRAN AND GOIN 



361 



lying close together well behind the posterior borders of the small, 

 rounded choanae; maxillary and premaxillary teeth present; tuber- 

 culum prelinguale present but not particularly prominent and not 

 odontoid-like; tongue two-thirds as wide as mouth opening, rounded, 

 its sides and posterior border free. Head broad and flattened. Snout 

 prominent, rounded when viewed from above, sloping in profile, the 

 upper jaw extending but little beyond the lower; nostrils dorsolateral, 

 slightly projecting, their distance from end of snout about equal 

 to that from eye, separated from each other by an interval about equal 

 to their distance from eye. Can thus rostralis low and poorly defined; 

 loreal region slightly concave and very oblique, the upper lip flaring 

 out strongly below it. Eye moderate, not prominent, its diameter 

 equal to its distance from nostril; pupil horizontal; interorbital 

 distance half again as great as upper eyelid, which is slightly less 

 than the distance between the nostrils. Tympanum very distinct, 

 oblong, its greatest diameter perpendicular and about three-fifths 

 the diameter of eye, separated from eye by a distance greater than 



Figure 43. — Amblyphrynus ingeri, holotype, CNHM 81915 (same size, except 



hand, which is X 1.5). 



