THE
ESSEX
NATURALIST
Journal of the
ESSEX FIELD CLUB
No 15 (New series)
for the year 1997/98
Edited by Colin W Plant
ISSN 0071-1489
World List abbreviation: Essex Nat.
Published November 1998
Copyright © Essex Field Club 1998
Information published in this journal may be freely quoted provided that full
acknowledgement is made in the normal manner to both author and journal.
Printed by Cravitz Printing Co. Ltd.
1 Tower Hill, Brentwood, Essex CM14 4TA.