Hegner, Robert W. <br/><br/>
Practical Zoology 
/ by Robert W. Hegner 
 - New York :  The Macmillian Company,  1931 
 - XVI, 547 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>590  / HEG-P