Young, J. Z.  . <br/><br/>
The life of vertebrates /  
J. Z. Young. 
 - Oxford :   Oxford University ,   1950. 
 - xv, 645p. :   ill.,fig.,pict. ;   24cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>019442393X  NULL 
<br/><br/><label>Dewey Class. No.: </label>596  / YOU/L