“Dr Wilson has added a brilliant essay to this series.”—_Times Literary Supplement._ “This is a very little book, but there is much wisdom in it.”—_Evening Standard._ “No doctor worth his salt would venture to say that Dr Wilson was wrong.”—_Daily Herald._ =Prometheus=, or Biology and the Advancement of Man. By H. S. JENNINGS, Professor of Zoology, Johns Hopkins University. _Second Impression._ “This volume is one of the most remarkable that has yet appeared in this series. Certainly the information it contains will be new to most educated laymen. It is essentially a discussion of ... heredity and environment, and it clearly establishes the fact that the current use of these terms has no scientific justification.”—_Times Literary Supplement._ “An exceedingly brilliant book.”—_New Leader._ =Narcissus=: an Anatomy of Clothes. By GERALD HEARD. With 19 illustrations. “A most suggestive book.”—_Nation._ “Irresistible. Reading it is like a switchback journey. Starting from prehistoric times we rocket down the ages.”—_Daily News._ “Interesting, provocative, and entertaining.”—_Queen._ =Thamyris=, or Is There a Future for Poetry? By R. C. TREVELYAN. “Learned, sensible, and very well-written.”—_Affable Hawk_, in _New Statesman_. “Very suggestive.”—_J. C. Squire_, in _Observer_. “A very charming piece of work, I agree with all, or at any rate, almost all its conclusions.”—_J. St Loe Strachey_, in _Spectator_. =Proteus=, or the Future of Intelligence. By VERNON LEE, author of “Satan the Waster,” etc. “We should like to follow the author’s suggestions as to the effect of intelligence on the future of Ethics, Aesthetics, and Manners. Her book is profoundly stimulating and should be read by everyone.”—_Outlook._ “A concise, suggestive piece of work.”—_Saturday Review._ =Timotheus=, the Future of the Theatre. By BONAMY DOBRÉE, author of “Restoration Drama,” etc. “A witty, mischievous little book, to be read with delight.”—_Times Literary Supplement._ “This is a delightfully witty book.”—_Scotsman._ “In a subtly satirical vein he visualizes various kinds of theatres in 200 years’ time. His gay little book makes delightful reading.”—_Nation._ =Paris=, or the Future of War. By Captain B. H. LIDDELL HART. “A companion volume to _Callinicus_. A gem of close thinking and deduction.”—_Observer._ “A noteworthy contribution to a problem of concern to every citizen in this country.”—_Daily Chronicle._ “There is some lively thinking about the future of war in Paris, just added to this set of live-wire pamphlets on big subjects.”—_Manchester Guardian._ =Wireless Possibilities.= By Professor A. M. LOW. With 4 diagrams. “As might be expected from an inventor who is always so fresh, he has many interesting things to say.”—_Evening Standard._ “The mantle of Blake has fallen upon the physicists. To them we look for visions, and we find them in this book.”—_New Statesman._