By GISBERT KAPP, D.Eng., Professor of Electrical Engineering in the University of Birmingham. (Illustrated.) "It will be appreciated greatly by learners and by the great number of amateurs who are interested in what is one of the most fascinating of scientific studies."--_Glasgow Herald._ 62. _THE ORIGIN AND NATURE OF LIFE_ By Dr BENJAMIN MOORE, Professor of Bio-Chemistry, University College, Liverpool. "Stimulating, learned, lucid."--_Liverpool Courier._ 67. _CHEMISTRY_ By RAPHAEL MELDOLA, F.R.S., Professor of Chemistry in Finsbury Technical College, London. Presents clearly, without the detail demanded by the expert, the way in which chemical science has developed, and the stage it has reached. 72. _PLANT LIFE_ By Prof. J. B. FARMER, D.Sc., F.R.S. (Illustrated.) "Professor Farmer has contrived to convey all the most vital facts of plant physiology, and also to present a good many of the chief problems which confront investigators to-day in the realms of morphology and of heredity."--_Morning Post._ 78. _THE OCEAN_ A General Account of the Science of the Sea. By Sir JOHN MURRAY, K.C.B. F.R.S. (Colour plates and other illustrations.) 79. _NERVES_ By Prof. D. FRASER HARRIS, M.D., D.Sc. (Illustrated.) A description, in non-technical language, of the nervous system, its intricate mechanism and the strange phenomena of energy and fatigue, with some practical reflections. 86. _SEX_ By Prof. PATRICK GEDDES and Prof. J. ARTHUR THOMSON, LL.D. (Illus.) 88. _THE GROWTH OF EUROPE_ By Prof. GRENVILLE COLE, (Illus.) _Philosophy and Religion_ 15. _MOHAMMEDANISM_ By Prof. D. S. MARGOLIOUTH, M.A., D.Litt. "This generous shilling's worth of wisdom.... A delicate, humorous, and most responsible tractate by an illuminative professor."--_Daily Mail._ 40. _THE PROBLEMS OF PHILOSOPHY_ By the Hon. BERTRAND RUSSELL, F.R.S. "A book that the 'man in the street' will recognise at once to be a boon.... Consistently lucid and non-technical throughout."--_Christian World._ 47. _BUDDHISM_ By Mrs RHYS DAVIDS, M.A. "The author presents very attractively as well as very learnedly the philosophy of Buddhism."--_Daily News._ 50. _NONCONFORMITY: Its ORIGIN and PROGRESS_ By Principal W. B. SELBIE, M.A. "The historical part is brilliant in its insight, clarity, and proportion."--_Christian World._ 54. _ETHICS_ By G. E. MOORE, M.A., Lecturer in Moral Science in Cambridge University. "A very lucid though closely reasoned outline of the logic of good conduct."--_Christian World._ 56. _THE MAKING OF THE NEW TESTAMENT_ By Prof. B. W. BACON, LL.D., D.D. "Professor Bacon has boldly, and wisely, taken his own line, and has produced, as a result, an extraordinarily vivid, stimulating, and lucid book."--_Manchester Guardian._ 60. _MISSIONS: THEIR RISE and DEVELOPMENT_ By Mrs CREIGHTON. "Very interestingly done.... Its style is simple, direct, unhackneyed, and should find appreciation where a more fervently pious style of writing repels."--_Methodist Recorder._