Droscher, Vitus B. <br/><br/>
They love and kill :  sex, sympathy and aggression in courtship and mating / 
by Vitus B. Droscher ; translated [from the German] by Jan van Heurck 
 - New York :  Dutton,  1976. 
 - xix, 363 p., [8] p. of plates :  ill. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sexual behavior in animals<br/>Courtship in animals<br/>Animal behavior
<br/><br/><label>Dewey Class. No.: </label>591.56