THE ESSEX FIELD CLUB. 225 Greenwood's (1824) : 4, 5, 6, 13, 14, 18, 21 (marked but not named), 22, 27, 28 (marked but not named). An Early Proof Ordnance (early in 19th century) : 4, 5, 6, 13, 14, 16, 18, 22, 27 ; 4, 16, and 27, being marked but not named. REFERENCES. 1861. British Birds' Eggs and Nests, p. 143. Rev. J. C. Atkinson. 1868. Decoy Ponds. "P." The Field, vol. xxxi, pp. 121-2. 1878. Some Notes on Decoys, Past and Present. J. Cordeaux. The Field, vol. li, p. 419. 1879. An Ancient Decoy. J. E. Harting. The Field., vol. liv, p. 38. 1886. The Book of Duck Decoys. Sir R. Payne-Gallwey. 188S. Wild-fowl Decoys in Essex. J. E. Harting, the Essex Naturalist, vol. ii, pp. 159-169. 1889. White-fronted Goose fairly decoyed at Tillingham E. A. Fitch, op. cit, vol. iii, p. 25 : and W. Sewell, The Field, vol. lxviii, pp. 455, 497. 1890. The Birds of Essex. Miller Christy. 1897. Another Essex Decoy. E. A. Fitch. The Essex Naturalist, vol. x, pp. 234, 293. 1903. The Victoria History of the County of Essex. Aves, pp. 232-53. Miller Christy. 1906. Baikal Teal taken in an Essex Decoy. Editor. The Field, vol. cvii, p. 858. H. Sherren, Bulletin B.O.C., vol. xvi, p. 80. 1918. British Duck Decoys of Today, 1918. J. Whitaker. 1929. A History of the Birds of Essex. William E. Glegg. 1930. Various Notes on the Birds of Essex. William E. Glegg, The Essex Naturalist, vol. xxiii. pp. 18-28. 1935. Essex Pre-Ornithology. William E. Glegg. Op. cit., vol.xxv, pp. 1-35. 1936. Decoys on the Blackwater Estuary. J. W. Campbell. Op. cit., vol. xxv, pp. 107-9. 1937. Remarks on British Duck Decoys. H. A. Gilbert. Bulletin B.O.C. vol. lvii, pp. 86-7. 1941. International Wildfowl Inquiry. Volume I. (Concluded). THE ESSEX FIELD CLUB—REPORTS OF MEETINGS VISIT TO LATTON PRIORY (835th Meeting). SATURDAY, 22ND MAY, 1943. A party of 31 Members, under the leadership of the Rev. John L. Fisher, M.A., R.D., assembled at a point on the Harlow Road nearest to Latton Priory at 11.30 o'clock, and at once struck out across country in its direction. A visit was first paid to an apparently unrecorded Tumulus, over 60 feet in diameter, situated some 400 yards N.E. by N. of the Priory at a spot marked on the ordnance maps as being 351 feet O.D. This round barrow, now over- grown with large oaks and hawthorns, may be one of those incidentally mentioned, but not described, by the late Chalkley Gould in his article on "Ancient Earth- works" in the Victoria History of Essex, p. 307 : it has apparently never been opened. Arrived at Latton Priory, the still-existing fragment of the Priory Church, comprising the crossing with portions of the nave and transepts, of early 14th century date, now used as a barn, was described by Mr. Fisher ; he called atten- tion to the architectural features, which included a 6-cusped circular clerestory light in the N. wall of the Nave, traces of the circular night-stair from the former dortoir to the church at the S.W. angle of the crossing, the angle-buttress built