measure from the leading text-book-" Remington's Practice" -not because he thinks it better, but more particularly to give the student variety. It will be observed that a classification somewhat consistent with the chemistry of the carbon compounds is made in the organic part of the work. The student cannot too early become familiar with such classifications. The author is indebted to various writers, whose works have been consulted, notably, Remington, Parrish, Potter, Attfield, Watt and others. An article by Joseph W. England, in the Journal of Pharmacy for January, 1890, has materially aided him in the part relating to incompatibility. He desires especially to thank Prof. Oscar Oldberg, who so kindly put at the writer's disposal any part of his valuable writings. L. E. S. University of Kansas. Unctuous and Other Preparations for Local Application, Petroleum, Benzin, Petrolatum, Derivatives of the Paraffin Series of Hydrocarbons, Derivatives of Methane-Chloroform, Iodoform, Methylic Al- Derivatives of Ethane-Alcohol, etc., Ether, etc., Tartaric Acid, Acetic Acid, Chloral, Oxalic Acid, Derivatives of Propane-Glycerine, Lactic Acid, Citric Acid, Derivatives of Pentane-Nitrite of Amyl, Valerianic Acid, . Acids of Acrylic Acid Series-Oleic Acid, Benzene Series-Benzene, Phenol, Benzoic Acid, Salicylic |