152 THE ESSEX NATURALIST —. 1913g. Fishing line with thorn hooks, River Crouch, Essex. Exhi- bited at meeting of Royal Anthropological Institute, March 4. These are laid along the shore at low tide; used also on the French coast. 20. 1913h. "The Opening of the Romano-British Barrow in Mersea Island", with account of pottery by A. G. Wright: Morant Club Report, Trans. Essex Arch. Soc. (n.s.), 13, 116-139, 2 figs., 6 pls. Some derived Neolithic material noted. 21. 1914a. "Report of an Excursion to Edmonton", Proc, Geol. Assoc, 25, 285-7. Occurence of Arctic bed; see also 1916a, etc. Correction: Armeria arctica is not living in Europe. 22. 19146. "Botanical and Geological Observations" [made during the above work]. Seeds by C. Reid; minerals (red ochre, etc.) by G. M. Davies. Essex Naturalist, 17, 261-5. [Corrections: p.263, 1.18 "Histroy"—History; p.264, 1.4 "nd"—and; 1.13 "andulasite"—andalusite; 1.29 "oasis"—casts]. Plants of Roman period; ironstone Post-Roman. —. 1914c. Flint Flaking—Anglo-American Exposition held in Lon- don, May, 1914. 23. 1914d. "The Experimental Investigation of Flint Fracture and its Application to Problems of Human Implements", Journ. Roy. Anthrop. Inst., 44, 412-450, 3 pls., etc., 13 figs., 11 tables. Paper read at joint meeting with Prehist. Soc. E. Anglia. Corrections: on p.412 for "Watt" read Joule, passim (in text, figures and tables; p.415, for "The Planes of Least Resistance" in heading read Selective Flaking, but can remain unaltered in text; p.416, add as footnote: "It has been claimed that this is incompatible with isotropic struc- ture—on the contrary, these flaking effects are the distinc- tive product of that structure, and are in fact best seen where the isotropic condition is not modified by accidental variations or irregularities." —. 1914e. "Some Points in the Eolithic Controversy", Geol. Mag.. 1914, 546-52, 1 fig. —. 1914f. Early Iron Age Urn with Greek fret from Deal. In R. A. Smith, Proc Soc. Antiq. (2), 26, 128-132, fig. 1. Specimen presented to British Museum. —. 1914g. Palaeolithic wooden spear from Clacton. Essex Naturalist. 17, 15. See also 1911h. —. 1915a. Supposed Aurignacian implements of Neolithic date from East Coast; cooking-stones and some Mesolithic flints from Albert Docks extension (=King George V Dock). Essex