Hardy, Alister Clavering. <br/><br/>
The open sea, its natural history:  the world of plankton. with 14 2 watercolour drawings by the author, 67 photos. in black and white by Douglas Wilson and others, and 300 line drawings and maps. 
by Aliste r Clavering Hardy. 
 - Boston:  Houghton Mifflin,  1956. 
 - 335 p. :  ill.;  23 cm. 
 - The new naturalist .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine biology.<br/>Plankton.
<br/><br/><label>Dewey Class. No.: </label>574.92