RECORDERS ARCHAEOLOGY: Miss P. M. Wilkinson, B.A., Dip. Arch., Principal Assistant Curator, Archaeology and Local History, Passmore Edwards Museum, Romford Road, London E15 4LZ. FLOWERING PLANTS AND BRYOPHYTES: K. J. Adams, B.Sc., Ph.D., 63 Wroths Path, Baldwins Hill, Loughton, IG10 1SH. ORTHOPTERA: A. J. Wake, 27 Wesley Avenue, Colchester, C04 3AT. FRESHWATER ALGAE: Miss J. H. Belcher, Ph.D., D.Sc., 23 Pepys Way, Girton, Cambridge, CB3 0PA. FUNGI: C. W. Plant, B.Sc, M.B.O.U., Pass- more Edwards Museum, Romford Road, London, E15 4LZ. LICHENS: J. Skinner, Southend Central Museum, Victoria Avenue, Southend-on-Sea. ODONATA: E. Benton, 13 Priory Street, Colchester, C01 2PY. 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, CM4 DAS. MACRO-LEPIDOPTERA: G. A. Pyman, Treyarnon, The Ridge, Little Baddow, Chelmsford, CM3 4RT.