Young, J. Z.  1907- <br/><br/>
The life of vertebrates / 
J.Z.Young. 
 - 3rd ed. 
 - Oxford :  ELBS ,  1981 
 - xv, 664 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p.586-606) and index. 
<br/><br/><label>ISBN: </label>019442393X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebraes
<br/><br/><label>Dewey Class. No.: </label>596