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.