THE first issue of the British Pharmaceutical 'Codex was published
twenty-seven years, ago ; the aim being -to provide accurate information for pharmacists and doctors 'respecting all drugs and medicines that were official in the • pharma- copoeias of France, Germany and Arrieries; as well As of this country. Subsequent enlarged editions were published in 1911 and 1923. During the past eleven years .very great changes have taken place in the_practice of pharmacy and in the contents of the great national pharmacopoeias. Many substances of vegetable, mineral and a_nimal origins 'have been- brought into medical Use, whilst Others have been replaced. The present issue of the Codex repreienta a very great advance even on its excellent predecessojs. The general monographs are admirable -.in their conciseness, accuracy, and essential comPleteness ; whilst the many appendices contain informations noiyberk_ eke brought together between two coveil.:' /V is, of courar, irbook for the technician ; but to all those concerned with its subject matter, its potential value cannot be overstated. Especially useful to the pharmacist will be the standards set up for the composition of medicaments not included in the official British Pharmacopoeia.