The Committee of Revision of the U. S. Pharmacopeia has issued a proposed list of preparations that will be included in the forthcoming twelfth revision of the U. S. Pharmacopeia. In a separate listing appear those preparations which were official in U. S. P. XI but are not to be included in the new edition. These are referred to as "deletions." Both lists are printed elsewhere in this issue of The Journal (page 883). The committee is to be congratulated for its splendid work in bringing this important book of official drugs into line with the most recent medical and pharmacologic advances. Perhaps never before has the pharmacopeial list been brought so nearly into apposition with the best medical practice of the day.
Of greatest interest, of course, is the imposing list of about one hundred and eighty-nine new inclusions, which naturally reflects the recent rapid advances, especially in chemotherapy,