410 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS GENERAL NOTICES Publicationdates: The "Journal of the Society of Cosmetic Chemists" is published every four weeks. Five issues for the Society of Cosmetic Chemists of Great Britain by Pergamon Press, Ltd., Headington Hill Hall, Oxford, England. Six issues by the Society of Cosmetic Chemists from 201 Tabor Road, Morris Plains, N.J., U.S.A. Two issues by the Gesenschaft Deutscher Kosmetik-Chemiker, e.V. from Hamburg-Grossfiottbek, Beselerstrasse 1, Germany. Issue No. Publication Date Country of Origin • 8th January Great Britain 2 5th February U.S.A. 3 4th March U.S.A. 4 •st April Great Britain 5 29th April Germany 6 27th May U.S.A. 7 24th June Great Britain 8 22nd July Great Britain 9 •9th August U.S.A. •o •6th September U.S.A. • x4th October Great Britain x2 • •th November Germany •3 9th December U.S.A. Advertisements: All enquiries regarding advertisements in the British Editions of the Journal should be addressed to Mr. R. Kiernan, Pergamon Press, Ltd., 4 & 5 Fitzroy Square, London, W.x. Subscription: All members of the Society of Cosmetic Chemists of Great Britain receive one copy of each edition free. Further copies at non-member rates. Non-members: oexo per annum, post free, or oe'x per issue, post free. Missing Numbers: Journals are despatched at Printed Paper rate. Claims for missing numbers can be entertained only from subscribers in the country of origin of the particular issue, and must be made within 30 days from date of issue. Members and subscribers are urged to give notice of change of address to the Publication Offices. Responsibility for statements published: The Society of Cosmetic Chemists of Great Britain and its Hon. Editor assume no responsibility for statements or opinions advanced by contributors to this Journal. Lectures: The Society shall have the right of first publication of any lecture or address delivered before it, but does not undertake to publish any given matter. Copyright: Reproduction of synopses, duly credited to the authors and THE JOURNAL OF THE SOCmT¾ OF COSMETIC CHEMISTS, is permitted. Digests of articles not exceeding 400 words may be published, duly credited to the author and THE JOURNAL OF THE SOCIETY OF COSMETIC C•EMISTS. Reprinting or extensive copying (whole pages or articles) is forbidden, except by special permission, in writing, from the Hon. Editor. Any re- publication must indicate the source of the original paper. The copyright of all papers published in the British Edition belongs to the Society of Cosmetic Chemists of Great Britain. Authors must obtain written permission from the copyright-holder to reproduce illustrations or quotations from other sources. Manuscripts: These should be in accordance with the "Directions for Preparation of Manuscripts," copies of which are available from the Hon. Editor, Ashbourne House, Alberon Gardens, London, N.W. 11.