14 University of Michigan 



Plate I 



1. Tadpole of Hyla uranochroa, side view, x2. 

 la. Mouth of tadpole of Eyla uranochroa, x6. 



2. Tadpole of Hyla alhomarginata, side view, x2. 

 2a. Mouth of tadpole of Hyla alhomarginata, x6. 



