THE DRAGONFLIES OF ESSEX DR. EDWARD BENTON Essex Naturalist No. 9 Published by The Essex Field Club, Passmore Edwards Museum, Romford Road. London, E15 4LZ ISSN 0071-1489 (for Essex Naturalist Series) ISBN O 905637-14-3 (for Dragonflies of Essex) Typeset by Budget Typesetting, Bromley, Kent Printed by Healeys, Ipswich, Suffolk Copyright Essex Field Club 1988. All Rights Reserved. Edited by M. W. Hanson. B.Sc. C.Biol.. M.I.Biol., F.R.E.S.