62 LIST OF WORKS ON THE GEOLOGY, ETC., OF ESSEX. H. B. Woodward in 1870. Drift Edition, by Prof. Dawkins, H. B. Woodward, and W. H. Penning, 1872. ? (5) Sheet 2 (Nearly the whole: Burnham, Shoeburyness). By Prof. W. B. Dawkins, 1868. Drift Edition, revised by H. B. Woodward and F. J. Bennett, 1883. (6) Sheet 47 (Greater part: Braintree, Coggeshall, Dunmow, Halstead, Saffron Walden, Thaxted, Witham). By W. Whitaker, W. H. Dalton, and F. J. Bennett, 1881. Drift Edition, by the same, 1884. (7) Sheet 48 S.W. (Colchester). By W. H. Dalton, 1883. (8) Sheet 48 S.E. (Walton Naze). By W. Whitaker, 1876. (9) Sheet 48 N.W. (Part: Manningtree). By W. H. Dalton, 1882. (10) Sheet 48 N.E. (Small part: Harwich). By W. Whit- aker, 1882. (11) London and its environs (made up from parts of Sheet 1, &c.), 1873. Drift edition, 1874. (b) Horizontal Sections. (Scale, 6 inches to a mile.) (12) Sheet 84, Across the London Basin from.....the Thames, through Hadleigh Castle and Rayleigh, across the River Crouch, and through Danbury to the River Chelmer, half a mile east of Little Baddow, in Essex. By H. W. Bristow, W. Whit- aker, and W. H. Penning, 1871. (13) Sheet 120. Section of the London Basin,.....through Essex, from West Thurrock, across Warley Common, the Valley of the Roding, Epping Plain, and the Valley of the Stort above Roydon ...... By W. Whitaker and W. H. Penning, 1877. (14) Sheet 126. Section across the Tertiary beds and the chalk of the London Basin from the River Chelmer 4 miles below Chelms- ford, by Felsted, Radwinter,.....&c. (Continuation of Sheet 84). By W. H. Penning and W. H. Dalton, 1882. (c) Memoirs, 8vo, London. (15) Vol. IV. The Geology of the London Basin. Part 1. The Chalk and the Eocene Beds of the Southern and Western Tracts. Pp. xi, 619. By W. Whitaker (parts by H. W. Bristow, H. B. Woodward and W. H. Penning), 1872.