Perry, Richard,  1909-. <br/><br/>
Life at the sea's frontiers / 
by Richard Perry, illustrated by Nancy Lou Gahan. 
 - Newton Abbot :  David & Charles,  1974. 
 - 301 p. :  ill. ;  22 cm. 
 - The Meny worlds of wildlife series  v.3 .
 - The Meny worlds of wildlife series  v.3 .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 287-294. 
<br/><br/><label>ISBN: </label>0715361198 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine biology.<br/>Seashore biology.