By A. KEITH, M.D., LL.D., Conservator of Museum and Hunterian Professor, Royal College of Surgeons. (Illustrated.) "It literally makes the 'dry bones' to live. It will certainly take a high place among the classics of popular science."--_Manchester Guardian._ _58. ELECTRICITY_ 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. (Illus.) "A life's experience is crowded into this volume. A very useful feature is the ten pages of illustrations and coloured maps at the end."--_Gloucester Journal._ _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. _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 as the greatest scholars of the day interpret it."--_Daily News._ _50. NONCONFORMITY: Its ORIGIN and PROGRESS_