43 Published by The Essex Field Club, The Passmore Edwards' Museum, London, E15 4LZ. Editorial Address: Tony Boniface, 40 Pentland Avenue, Chelmsford (0245 66316) Copy for next issue by 1st May, 1983. RECORDERS Archaeology: L.S.Harley B.Sc., F.S.A. Street House, Stoke-by-Nayland, Colchester. Flowering plants and Bryophytes: K.J.Adams B.Sc. Ph.D., 63 Wroths Path, Baldwins Hill, Loughton, IG10 1SH. Tel.: 01-508-7863. Freshwater Algae: J.H.Belcher Ph.D. D.Sc., Culture Centre of Algae and Protozoa, 36 Storey's Way, Cambridge, CB3 0DT. Lichens: J.Skinner, Southend Central Museum, Victoria Avenue, Southend on Sea. Fungi: G.G.Kibby, 137 Vicarage Road, Leyton, E.10. Odonata: E.Benton, 13 Priory Street, Colchester. Coleoptera: P.M.Hammond Ph.D., Department of Entomology, British Museum (Natural History), Cromwell Road, London, S.W.7. Birds: M.T.Parker B.Sc, 14 Ridgeway, Ingatestone. Macro-Lepidoptera: G.A.Pyman, Treyarnon, Little Baddow Road, Danbury.