Vol. 29, Part 5 1956 THE ESSEX NATURALIST being the Journal of the ESSEX FIELD CLUB Editor: C. BIGNELL PRATT. CONTENTS PAGE Dispersal in Cup Fungi. Presidential Address by Professor C. T. Ingold.............................. 291 Some Essex Naturalists. By Bernard T. Ward............ 306 A Survey of Essex Lepidoptera in the Past Fifty Years. By H. C. Huggins ........................... 327 Geological Records from the Stort Valley. By J. F. Hayward ... 332 Notes on the Natural History on a Gasworks. By Richard Ward, Bernard T. Ward and C. B. Pratt ............... 336 A Former Road at Margaretting. By T. H, C. Bartrop ...... 341 Birds at North Fambridge in 1955. By Jack T. Friedlein ...... 342 Lepidoptera in South-east Essex in 1955. By H. C. Huggins ... 345 Lepidoptera in East Essex in 1955. By A. J. Dewick......... 347 Butterflies and Moths at North Fambridge in 1955. By Jack T. Friedlein ........................... 348 A Beetle New to Essex. By K. C. Side............... 349 Hydra Tuba rentoni. By Laurence S. Harley ... ... ... ... 349 Abbotts Bromley Horn Dance .................. 350 Obituary Notice........................... 350 Report of Council for 1955 ..................... 351 Report of Meetings ........................ 352 Published by The Essex Field Club at the Essex Museum of Natural History, Romford Road, Stratford, London, E. 15.