Book Reviews : Organic Chemistry. Paul Karrer. Second English edition,translated by A. J. Mee,with assist ance on recent additions and revisions by M. F. Dar ken. New York,Elsevier Publishing Co.,Inc.,1946. 953 + xx pages. Price,$7.50

Book Reviews : Organic Chemistry. Paul Karrer. Second English edition,translated by A. J. Mee,with assist ance on recent additions and revisions by M. F. Dar ken. New York,Elsevier Publishing Co.,Inc.,1946. 953 + xx pages. Price,$7.50