The following supplements are available. Prices in brackets are for member's copies (one only). All orders will be invoiced with postage and packing added. Order from: Fred Naggs, Department of Zoology, Natural History Museum, London SW7 5BD, U.K.

No. 6. Fretter V and Graham A (April 1978) The Prosobranch Molluscs of Britain and Denmark: Part 4 - Marine Rissoacea. Pages 154-241. Reprinted August 1988. £10 (£5)

No. 9. Fretter V and Graham A (1981) The Prosobranch Molluscs of Britain and Denmark: Part 6 - Cerithiacea, Strombacea, Hipponicacea, Calyptraeacea, Naticacea, Tonnacea, Heteropoda. £10 (£5)

No. 12. Kleeman K H (1983) Catalogue of recent and fossil Lithophaga (Bivalvia). £10 (£5).

No. 12A. Bebbington, A (Editor) (December 1983) Proceedings of the Second Franco-British Symposium on Molluscs.Pages i-v & 1-227. Reprinted 1988.(originally available only to participants.) £15 (£7.50)

No. 13. Warén, A. (1983) A Generic Revision of the Family Eulimidae (Gastropoda, Prosobranchia). 96 pages. Reprinted August 1988. £10 (£5)

No. 16. Fretter V., A. Graham and E. B. Andrews (1986) The Prosobranch Molluscs of Britain and Denmark: Part 9- Pyramidellacea. Pages 557-649 £10 (£5)