Duellman, William E.,    1930- <br/><br/>
Hylid frogs of the genus scinax wagler, 1830, in Amazonian Ecuador a nd Peru /  
William E. Duellman and John J Wiens 
 - Kansas  :    The University of Kansas,    1993 
 - 57p. :    ill., col., maps ;    23 cm. 
 - Occasional papers of the Museum of natural History ;    no. 153; .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Frogs
<br/><br/><label>Dewey Class. No.: </label>P S 597.89 DUE