Hegner, Robert W. <br/><br/>
College zoology 
Robert W. Hegner and Karl A. Stiles 
 - 6th ed. 
 - New York  The Macmillan company  1951 
 - 901p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> [] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>590  / HEG