Evans, Howard E. <br/><br/>
The comparative ethology and evolution of the sand wasps 
Howard E. Evans 
 - Cambridge, Mass.  Harvard U.P.  1966 
 - xvi, 526p. ills 
<br/><br/>inclludes bibilographilcal references and indesxes 
<br/><br/><label>LC Class. No.: </label>QL 568.V5