72 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS The author wishes to thank Messrs. R. S. Lacey and J. Pickthall for reading the manuscript and for their comments thereon: he also thanks his wife for her help in typing the manuscript. REFERENCES • Basic Odour Research Correlation. Ann. N.Y. Acad. Sci., 1954, õ8. 13-260 e Dethier, V. G., ibid., 139. a Moncrieff, R. W., The Chemical Senses. Leonard Hill, Ltd., 1954. 4 Jones, F. N., Ann. J. Psychist, 1953, 66, 81. s Hainer, R. M., et al., Ann. N.Y. Acad. Sci., 1954, õ8, 159. • Mozell, M. M., and Pfaff mann, C., ibid., 97. 7 Allison, A. C. and Warwick, R. T. T., Brain, ?g, 186. s Warwick, R. q_. T., and Le Gros Glark, W. E., J. Neurol. Neurosurg. Psychiat., 9, 101 9 Aitken, J., Proc. R. S. Edin., 1905, gõ, 894. 20 Boer, J. H. de, The Dynamical Character of Adsorption. Clarendon Press, 1953.34. n Boer, J. H. de, ibid., 42. • Adrian, E. D., Advancement of Science, 1952, 9, 417. •a Middleton, A. W., J.S.C.C., 1953, IV, 230. •'• Hainer, R. M., etal., Ann. N.Y. •lcad. Sci., 1954, õ8, 170, Fig 5. • Dethier, V. G., ibid., 146, Fig. 7. • Ferguson, ]., Proc. R S., 1939, B, lg?, 887. •* Boer, ]. H. de, The Dynamical Character of Adsorption, 45. •s Cutting, Thesis Ph. D., London, 1937. •9 Boer, J. H. de, The Dynamical Character of Adsorption, 86. .,0 Poucher, W. A., J.S.C.C., 1955, ¾I, 80. • Boer, J. H. de, The Dynamical Character of ,•dsorption, 52. •2 Pickthall, J., J.S.C.C., 1954, V, 194. •a Adrian, E. D , Electroenceph and Clin. Neurophysiol..1., 1950, g, 377 ,4 dvancement Science, 1947, 4, 287 1952, 9, 417. 34 Krajkeman, A. J., J.s.c.c., 1956, VII, 38 ERRATA to Vol. VI, No. 4. Page 264, line 26, "Ca•H• ", should read "C•He• ". Page 273, line 21, "higher ", should read, "lower". Page 286, line 13, "F.P.S." should read "F. R. S." Page 292, line 3, "--3" should read "--0'3 ". In the advertisement on page viii we regret that the name of the advertiser was misspelt it should, of course. have been Honeywill-Atlas Ltd.. and the sole selling agents Honeywill & $•ein Ltd. Pubhsl•ccI on bel•aH ot tBe Society of Cosmetic C•em•sts of Great Bream trom 3s Devercux Dr•ve. Wattoral, HerIs. January, 1955, Printed and Bound by Fisher. Knigh• & Co,. Ltd., Gainsborough Pre.• gr. Alban.q. Hertfordshire. England

72 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS The author wishes to thank Messrs. R. S. Lacey and J. Pickthall for reading the manuscript and for their comments thereon: he also thanks his wife for her help in typing the manuscript. REFERENCES • Basic Odour Research Correlation. Ann. N.Y. Acad. Sci., 1954, õ8. 13-260 e Dethier, V. G., ibid., 139. a Moncrieff, R. W., The Chemical Senses. Leonard Hill, Ltd., 1954. 4 Jones, F. N., Ann. J. Psychist, 1953, 66, 81. s Hainer, R. M., et al., Ann. N.Y. Acad. Sci., 1954, õ8, 159. • Mozell, M. M., and Pfaff mann, C., ibid., 97. 7 Allison, A. C. and Warwick, R. T. T., Brain, ?g, 186. s Warwick, R. q_. T., and Le Gros Glark, W. E., J. Neurol. Neurosurg. Psychiat., 9, 101 9 Aitken, J., Proc. R. S. Edin., 1905, gõ, 894. 20 Boer, J. H. de, The Dynamical Character of Adsorption. Clarendon Press, 1953.34. n Boer, J. H. de, ibid., 42. • Adrian, E. D., Advancement of Science, 1952, 9, 417. •a Middleton, A. W., J.S.C.C., 1953, IV, 230. •'• Hainer, R. M., etal., Ann. N.Y. •lcad. Sci., 1954, õ8, 170, Fig 5. • Dethier, V. G., ibid., 146, Fig. 7. • Ferguson, ]., Proc. R S., 1939, B, lg?, 887. •* Boer, ]. H. de, The Dynamical Character of Adsorption, 45. •s Cutting, Thesis Ph. D., London, 1937. •9 Boer, J. H. de, The Dynamical Character of Adsorption, 86. .,0 Poucher, W. A., J.S.C.C., 1955, ¾I, 80. • Boer, J. H. de, The Dynamical Character of ,•dsorption, 52. •2 Pickthall, J., J.S.C.C., 1954, V, 194. •a Adrian, E. D , Electroenceph and Clin. Neurophysiol..1., 1950, g, 377 ,4 dvancement Science, 1947, 4, 287 1952, 9, 417. 34 Krajkeman, A. J., J.s.c.c., 1956, VII, 38 ERRATA to Vol. VI, No. 4. Page 264, line 26, "Ca•H• ", should read "C•He• ". Page 273, line 21, "higher ", should read, "lower". Page 286, line 13, "F.P.S." should read "F. R. S." Page 292, line 3, "--3" should read "--0'3 ". In the advertisement on page viii we regret that the name of the advertiser was misspelt it should, of course. have been Honeywill-Atlas Ltd.. and the sole selling agents Honeywill & $•ein Ltd. Pubhsl•ccI on bel•aH ot tBe Society of Cosmetic C•em•sts of Great Bream trom 3s Devercux Dr•ve. Wattoral, HerIs. January, 1955, Printed and Bound by Fisher. Knigh• & Co,. Ltd., Gainsborough Pre.• gr. Alban.q. Hertfordshire. England