I. THE EVOLUTION OF SEX. By Prof. Patrick Geddes and J. A. Thomson. With 90 Illustrations. Second Edition.

“The authors have brought to the task—as indeed their names guarantee—a wealth of knowledge, a lucid and attractive method of treatment, and a rich vein of picturesque language.”—Nature.

II. ELECTRICITY IN MODERN LIFE. By G. W. DE Tunzelmann. With 88 Illustrations.

“A clearly-written and connected sketch of what is known about electricity and magnetism, the more prominent modern applications, and the principles on which they are based.”—Saturday Review.

III. THE ORIGIN OF THE ARYANS. By Dr. Isaac Taylor. Illustrated. Second Edition.

“Canon Taylor is probably the most encyclopÆdic all-round scholar now living. His new volume on the Origin of the Aryans is a first-rate example of the excellent account to which he can turn his exceptionally wide and varied information.... Masterly and exhaustive.”—Pall Mall Gazette.

IV. PHYSIOGNOMY AND EXPRESSION. By P. Mantegazza. Illustrated.

“Brings this highly interesting subject even with the latest researches.... Professor Mantegazza is a writer full of life and spirit, and the natural attractiveness of his subject is not destroyed by his scientific handling of it.”—Literary World (Boston).

V. EVOLUTION AND DISEASE. By J. B. Sutton, F.R.C.S. With 135 Illustrations.

“The book is as interesting as a novel, without sacrifice of accuracy or system, and is calculated to give an appreciation of the fundamentals of pathology to the lay reader, while forming a useful collection of illustrations of disease for medical reference.”—Journal of Mental Science.

VI. THE VILLAGE COMMUNITY. By G. L. Gomme. Illustrated.

“The fruit of some years of investigation on a subject which has of late attracted much attention, and is of much importance, inasmuch as it lies at the basis of our society.”—Antiquary.

VII. THE CRIMINAL. By Havelock Ellis. Illustrated.

“An ably written, an instructive, and a most entertaining book.”—Law Quarterly Review.

“The sociologist, the philosopher, the philanthropist, the novelist—all, indeed, for whom the study of human nature has any attraction—will find Mr. Ellis full of interest and suggestiveness.”—Academy.

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

“He has laid down the institutes of insanity.”—Mind.

“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.

“An attractive and useful introduction to the study of some aspects of ethnography.”—Nature.

“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. In the volume before us he shows these qualities in an admirable degree.... At the close of his attractive pages he ventures to forecast the future of the institution of marriage.”—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 at once a treatise on sociology, ethics, and pÆdagogics. It is doubtful whether among all the ardent evolutionists who have had their say on the moral and the educational question any one has carried forward the new doctrine so boldly to its extreme logical consequence.”—Professor Sully in Mind.

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

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

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

“The problems discussed with great ability and lucidity, and often in a most suggestive manner, by Prof. Pearson, are such as should interest all students of natural science.”—Natural Science.

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

“M. Letourneau has read a great deal, and he seems to us to have selected and interpreted his facts with considerable judgment and learning.”—Westminster Review.

XIX. VOLCANOES, PAST AND PRESENT. By Prof. Edward Hull, LL.D., F.R.S.

“A very readable account of the phenomena of volcanoes and earthquakes.”—Nature.

XX. PUBLIC HEALTH. By Dr. J. F. J. Sykes. With numerous Illustrations.

“Not by any means a mere compilation or a dry record of details and statistics, but it takes up essential points in evolution, environment, prophylaxis, and sanitation bearing upon the preservation of public health.”—Lancet.

XXI. MODERN METEOROLOGY. An Account of the Growth and Present Condition of some Branches of Meteorological Science. By Frank Waldo, Ph.D., Member of the German and Austrian Meteorological Societies, etc.; late Junior Professor, Signal Service, U.S.A. With 112 Illustrations.

“The present volume is the best on the subject for general use that we have seen.”—Daily Telegraph.

IMPORTANT ADDITION TO THE SERIES.

XXII. THE GERM-PLASM: A THEORY OF HEREDITY. By August Weismann, Professor in the University of Freiburg-in-Breisgau. With 24 Illustrations.

“There has been no work published since Darwin’s own books which has so thoroughly handled the matter treated by him, or has done so much to place in order and clearness the immense complexity of the factors of heredity, or, lastly, has brought to light so many new facts and considerations bearing on the subject.”—British Medical Journal.

XXIII. INDUSTRIES OF ANIMALS. By F. Houssay. With numerous Illustrations.

“His accuracy is undoubted, yet his facts out-marvel all romance. These facts are here made use of as materials wherewith to form the mighty fabric of evolution.”—Manchester Guardian.

XXIV. MAN AND WOMAN. By Havelock Ellis. Illustrated.

“Altogether we must congratulate Mr. Ellis upon having produced a book which, apart from its high scientific claims, will, by its straightforward simplicity upon points of delicacy, appeal strongly to all those readers outside purely scientific circles who may be curious in these matters.”—Pall Mall Gazette.

“This striking and important volume ... should place Mr. Havelock Ellis in the front rank of scientific thinkers of the time.”—Westminster Review.

XXV. THE EVOLUTION OF MODERN CAPITALISM. By John A. Hobson, M.A.

“Every page affords evidence of wide and minute study, a weighing of facts as conscientious as it is acute, a keen sense of the importance of certain points as to which economists of all schools have hitherto been confused and careless, and an impartiality generally so great as to give no indication of his [Mr. Hobson’s] personal sympathies.”—Pall Mall Gazette.

XXVI. APPARITIONS AND THOUGHT-TRANSFERENCE. By Frank Podmore, M.A.

“A very sober and interesting little book.... That thought-transference is a real thing, though not perhaps a very common thing, he certainly shows.”—Spectator.

XXVII. AN INTRODUCTION TO COMPARATIVE PSYCHOLOGY. By Professor C. Lloyd Morgan. With Diagrams.

“A strong and complete exposition of Psychology, as it takes shape in a mind previously informed with biological science.... Well written, extremely entertaining, and intrinsically valuable.”—Saturday Review.

XXVIII. THE ORIGINS OF INVENTION: A Study of Industry among Primitive Peoples. By Otis T. Mason, Curator of the Department of Ethnology in the United States National Museum.

“A valuable history of the development of the inventive faculty.”—Nature.

XXIX. THE GROWTH OF THE BRAIN: A Study of the Nervous System in relation to Education. By Henry Herbert Donaldson, Professor of Neurology in the University of Chicago.

“We can say with confidence that Professor Donaldson has executed his work with much care, judgment, and discrimination.”—The Lancet.

XXX. EVOLUTION IN ART: As Illustrated by the Life-histories of Designs. By Professor Alfred C. Haddon.