Wells, Martin John. <br/><br/>
Lower animals  / 
M.J. Wells 
 - London :  Weidenfeld & Nicolson,  1968. 
 - 254 p. :  ill. (some col.) ;  19 cm. 
 - World University Library .
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates--Behavior<br/>Invertebrates--Physiology
<br/><br/><label>Dewey Class. No.: </label>592 WEL