Simpson, George Gaylord  . <br/><br/>
Principles of anmal taxonomy /  
Geogre Gaylord Simpson. 
 - Calcutta :   Oxford & IBH Publishing ,   1969. 
 - 247p. :   ills ;   22cm  21cm .  
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> Rs. 10.00 (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>TAXONOMY 
<br/><br/><label>Dewey Class. No.: </label>578.012  / SIM/P