Chemistry of Artificial Perfumes.~ Vanillin, Coumarin, Heliotropin, Aubepine or Hawthorn, Ionone, Specification of Patents for Preparation of Ionone, for Artificial Violet Oil, Artificial Musk, Specification of Patent of Musk Substitute, Artificial Neroli, Artificial Lilac, Artificial Hyacinth, Artificial Lemon Oil, Artificial Rose Oil, Niobe Oil, Bergamiol, Artificial Jasmin Oil, Artificial Cognac Oil.--~Appendix.~ Table on Constants of the more Important Essential Oils.--~Index.~ Price 12s. 6d. net (Post Free, 13s. Home; 13s. 6d. Abroad). PUBLISHED BY ~SCOTT, GREENWOOD & SON,~ ~8 BROADWAY, LUDGATE HILL, LONDON E.C.~