Tiger, Lionel,  1937- <br/><br/>
The imperial animal / 
by Lionel Tiger and Robin Fox. 
 - New York :  Dell Publishing Co.,   1974. 
 - 366 pages :  illustrations,   21 cm 
 - A Delta book .
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociobiology<br/>Social evolution