136 THE ESSEX NATURALIST. has been reported, it has been assumed that the bird was wild. The appearance of the Stork in Tollesbury on nth August caused some local excitement. It is stated that it was quite tame and allowed people to come very close to feed it. The bird was seen again on the following morning when the accompanying photo- graph was taken by Mr. M. Rice of Tollesbury, who has kindly permitted me to use it. As the Stork was not ringed there is no reason for associating it with the birds reared in North Kent. WORKS CONSULTED. 1926. Problems of Bird-Migration. A. Landsborough Thomson. 1927. Manual of British Birds. H. Saunders. 3rd edition. Revised by W. Eagle Clarke. 1929. A History of the Birds of Essex. William E. Glegg. 1937. An Experiment in Migration with young White Storks. C. I. Blackburne, Proc. of the Isle of Wight N.H. and Arch: Society for 1936, v. ii, pp. 595-7. 1938. White Stork in Norfolk and Essex. C. I. BLACKBURNE. British Birds, v. xxxii., p. 154. THE "RED HILLS" OF CANVEY ISLAND. By ERNEST LINDER, B.Sc. (With six text figures.) [Read 26th November, 1938.] FEW of those who live on Canvey Island, I fancy, can have given much thought to its past history; for them the existence of the Island as a habitable region dates from the erection of the sea-wall by the Dutch in the first quarter of the 17th century. Before that date we are told by William Camden, the historian, the Island was little more than a marsh:—"so low, that often "times it was quite overflowen, all save hillocks cast uppe, upon "which the sheepe have a place of safe refuge." During the past few years building operations, in disturbing the surface, have revealed the presence of fragments of late Celtic pottery, and incinerary urns and "Samian" ware have been