Macan, T. T. (Thomas Townley) <br/><br/>
A guide to freshwater invertebrate animals. 
 Freshwater invertebrate animals. 

 - [London] :  Longman,  [1974] 
<br/><br/> First published in this ed. in 1959. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater animals -- Great Britain.--Freshwater animals -- Great Britain.<br/>Invertebrates.