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Just PublishedNew FOURTH Edition

PHYSICAL ASPECTS of

ORGANIC CHEMISTRYBy WILLIAM A. WATERS, Ph.D.

Fellow of Balliol College, Oxford, andUniversity Lecturer and Demonstrator in Organic Chemistry,

Oxford University

A new edition which offers complete explanations of theworking principles of the great organic chemists of today,and a systematic classification of the actual research dataupon which the new theories are based. SUITABLE FORSENIOR AND GRADUATE COURSES.

THE SIMPLICITY with which the author discusses the useof physical measurements in organic research, particularlythe parachor, magnetic moments, and X-ray data shouldmeet with definite approval. The author's WIDE UNDER-STANDING of rearrangements, ionic reactions, tauto-merism and free radicals is evident in this new edition.

TABLE OF CONTENTS

Chemical Affinity; Valency Bonds; The Study of Molecular Structure;Electrical Dipoles; Chemical Reactivity; Unsaturation; Free Radicalsand Their Reactions; Radical Catalysed Reactions; Ionization andIonic Reactions; Acidity; General Polarity; Substitution Reactions ofOrganic Halogen Compounds; Ester Hydrolysis and Esterification;Ionotropic Change; Molecular Rearrangement; Reactions of Conju-gated Systems; Aromatic Compounds.

538 pp.—6 x 83/4—Cloth—Illustrated—$8.00

If You Teach or Direct Courses in Organic Chemistry, An ExaminationCopy is Available for You.