VIII. SANITY AND INSANITY. By Dr. Charles Mercier. Illustrated.

"Taken as a whole, it is the brightest book on the physical side of mental science published in our time."—Pall Mall Gazette.

IX. HYPNOTISM. By Dr. Albert Moll. Second Edition.

"Marks a step of some importance in the study of some difficult physiological and psychological problems which have not yet received much attention in the scientific world of England."—Nature.

X. MANUAL TRAINING. By Dr. C. M. Woodward, Director of the Manual Training School, St. Louis. Illustrated.

"There is no greater authority on the subject than Professor Woodward."—Manchester Guardian.

XI. THE SCIENCE OF FAIRY TALES. By E. Sidney Hartland.

"Mr. Hartland's book will win the sympathy of all earnest students, both by the knowledge it displays, and by a thorough love and appreciation of his subject, which is evident throughout."—Spectator.

XII. PRIMITIVE FOLK. By Elie Reclus.

"For an introduction to the study of the questions of property, marriage, government, religion,—in a word, to the evolution of society,—this little volume will be found most convenient."—Scottish Leader.

XIII. THE EVOLUTION OF MARRIAGE. By Professor Letourneau.

"Among the distinguished French students of sociology, Professor Letourneau has long stood in the first rank. He approaches the great study of man free from bias and shy of generalisations. To collect, scrutinise, and appraise facts is his chief business."—Science.

XIV. BACTERIA AND THEIR PRODUCTS. By Dr. G. Sims Woodhead. Illustrated.

"An excellent summary of the present state of knowledge of the subject."—Lancet.

XV. EDUCATION AND HEREDITY. By J. M. Guyau.

"It is a sign of the value of this book that the natural impulse on arriving at its last page is to turn again to the first, and try to gather up and coordinate some of the many admirable truths it presents."—Anti-Jacobin.

XVI. THE MAN OF GENIUS. By Professor Lombroso. Illustrated.

"By far the most comprehensive and fascinating collection of facts and generalisations concerning genius which has yet been brought together."—Journal of Mental Science.

XVII. THE GRAMMAR OF SCIENCE. By Professor Karl Pearson. Illustrated.

XVIII. PROPERTY: ITS ORIGIN AND DEVELOPMENT. By Ch. Letourneau, General Secretary to the Anthropological Society, Paris, and Professor in the School of Anthropology, Paris.

An ethnological account of the beginnings of property among animals, of its communistic stages among primitive races, and of its later individualistic developments, together with a brief sketch of its probable evolution in the future.

London: Walter Scott, Limited, 24 Warwick Lane.