454 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS mass pound 0.453 592 37 kg ounce 28.349 5 g dram 1.771 85 g grain 64.798 9 mg density pound/cubic inch 2.767 99 X 104 kg m -• pound/cubic foot 16.0185 kg m -• concentration ounce/gallon 6.236 02 g 1 -t force dyne 10 -s N poundal 0.138 255 N pound-force 4.448 22 N kilogramme-force 9.806 65 N pressure atmosphere 101.325 kN m -2 torr 133.322 N m -2 pound (f)/sq.in. 6894.76 N m -2 --6.894 76 kN m -2 inch of mercury 3386.39 N m -2 energy crg 10- 7 j therm 105.506 MJ calorie (I.T.) 4.1868 J calorie (15 øC) 4.1855 J calorie (thermochemical) 4.18 • ] B.t.u. 1055.06 J= 1.055 06 kJ foot poundal 0.042 140 l J foot pound (f) 1.355 82 J power horse power 745.700 ¾V=0.745 700 kW temperature degree Rankine -*0 øK degree Fahrenheit t /øF -.•-.ø s 1'/øC q- 32

DIRECTIONS FOR PREPARATION OF MANUSCRIPTS I. GENERAL POLICY The copyright of papers presented before the Society of Cosmetic Chemists of Great Britain belongs to the Society. A presented paper may only be published, in the first instance, in another journal of the author(s)' choice if the Journal of the Society of Cosmetic Chemists is unable to publish it. 2. NATURE OF THE TEXT 2.1. When submitting the manuscript of his text the author shall specify, as far as possible, in which category of original scientific literature this text is to be classified, i.e. 2.1.1. original scientific paper 2.1.2. provisional communication or preliminary notes or 2.1.3. subject review article. 2.2. A text is regarded as belonging to the category "Original scientific paper" when it is written in such a way that a qualified research worker, specializing in the same branch of science, is able, simply on the basis of the information given 2.2.1. to produce the experiments and secure the results described with equal accuracy or within the limits of experimental error specified by the author or 2.2.2. to repeat the author's observations and judge his findings or 2.2.3. to check the accuracy of the analyses and deductions on which the author's findings are based. 2.3. A text is regarded as "Provisional communication or preliminary notes" when it contains one or more novel items of scientific information, but is insufficiently detailed to allow readers to check the said information in the ways described in paragraph 2.2 above. 2.4. A "Subject review article" is not designed for publication under the heading of "new scientific information" it is a survey of one particular subject, in which information already published is assembled, analyzed and discussed. 3. DRAFTING OF THE TEXT 3.1. The introduction, of a historical or critical character, although often useful, shall be kept as short as possible in particular the author 455