BUCHSBAUM, RALPH <br/><br/>
ANIMALS WITHOUT BACKBONES 

 - 2ND ED 
 - USA  UNIVERSITY OF CHICAGO PRESS, LTD  1938 
 - XI: 405P. ILL. 
<br/><br/> IT INCLUDES INDEX 
<br/><br/><label>ISBN: </label>0-226-07869-8 
<br/><br/><label>LC Class. No.: </label>QL 362 .B83 1948  / 1