~THE MECHANICS OF LAW MAKING.~ By COURTENAY ILBERT, G.C.B., Clerk of the House of Commons. 12mo, cloth, pp. viii + 209. Price, $1.50 _net_. ~HEWITT LECTURES~ ~THE PROBLEM OF MONOPOLY.~ By JOHN BATES CLARK, LL.D., Professor of Political Economy, Columbia University. 12mo, cloth, pp. vi + 128. Price, $1.50 _net_. ~POWER.~ By CHARLES EDWARD LUCKE, Ph.D., Professor of Mechanical Engineering, Columbia University. 12mo, cloth, pp. vii + 316. Illustrated. Price, $2.00 _net_. ~THE DOCTRINE OF EVOLUTION.~ Its Basis and its Scope. By HENRY EDWARD CRAMPTON, Ph.D., Professor of Zoology, Columbia University. 12mo, cloth, pp. ix + 311. Price, $1.50 _net_. ~MEDIEVAL STORY AND THE BEGINNINGS OF THE SOCIAL IDEALS OF ENGLISH-SPEAKING PEOPLE.~ By WILLIAM WITHERLE LAWRENCE, Ph.D., Associate Professor of English, Columbia University. 12mo, cloth, pp. xiv + 236. Price, $1.50 _net_. ~LAW AND ITS ADMINISTRATION.~ By HARLAN F. STONE, LL.D., Dean of the School of Law, Columbia University. 12mo, cloth, pp. vii + 232. Price, $1.50 _net_. ~JESUP LECTURES~ ~LIGHT.~ By RICHARD C. MACLAURIN, LL.D., Sc.D., President of the Massachusetts Institute of Technology. 12mo, cloth, pp. ix + 251. Portrait and figures. Price, $1.50 _net_. ~SCIENTIFIC FEATURES OF MODERN MEDICINE.~ By FREDERIC S. LEE, Ph.D., Dalton Professor of Physiology, Columbia University. 12mo, cloth, pp. vii + 183. Price, $1.50 _net_. ~HEREDITY AND SEX.~ By THOMAS HUNT MORGAN, Ph.D., Professor of Experimental Zooelogy in Columbia University. 12mo, cloth, pp. vii + 284. Illustrated. Price, $1.75 _net_. ~COLUMBIA UNIVERSITY LECTURES~ ~FOUR STAGES OF GREEK RELIGION.~ By GILBERT MURRAY, Regius Professor of Greek, in the University of Oxford. 8vo, cloth, pp. 223. Price, $1.50 _net_. ~LECTURES ON SCIENCE, PHILOSOPHY AND ART.~ A series of twenty-one lectures descriptive in non-technical language of the achievements in Science, Philosophy and Art. 8vo, cloth. Price, $5.00 _net_. ~LECTURES ON LITERATURE.~ A series of eighteen lectures by instructors of the University on literary art and on the great literatures of the world, ancient and modern. 8vo, cloth, pp. viii + 404. Price, $2.00 _net_. ~GREEK LITERATURE.~ A series of ten lectures delivered at Columbia University by scholars from various universities. 8vo, cloth, pp. vii + 306. Price, $2.00 _net_. The lectures are: THE STUDY OF GREEK LITERATURE. By PAUL SHOREY, Ph.D., Professor of Greek, University of Chicago. EPIC POETRY. By HERBERT WEIR SMYTH, Ph.D., Eliot Professor of Greek Literature, Harvard University. LYRIC POETRY. By EDWARD DELAVAN PERRY, Ph.D., Jay Professor of Greek, Columbia University. TRAGEDY. By JAMES RIGNALL WHEELER, Ph.D., Professor of Greek Archaeology and Art, Columbia University. COMEDY. By EDWARD CAPPS, Ph.D., Professor of Classics, Princeton University. HISTORY. By BERNADOTTE PERRIN, Ph.D., Lampson Professor of Greek Literature and History, Yale University.