Lehrbuch der Physik, by Von O. D. Chwolson, St. Petersburg, 1904. 2 vols. out. First vol. covers general physics and mechanics. Second vol. sound and radiant energy. "Excellent and quite comprehensive."--Science, review. Park, Benjamin. The Intellectual Rise in Electricity, New York, 1895. This is a popular account of the progress in the field of electricity from Gilbert to Franklin. Radium and all About It, by S. Bottone, London, 1904. Published by Whittaker & Co. Price is. "An accurate account of the most important phenomena."--Nature, June, 1904. The Physical Review. A monthly journal of experimental and theoretical physics. Published for Cornell University by the Macmillan Company. 263 Theory of Heat, by Thomas Preston, F.R.S. Second edition just out. Macmillan & Co., 185. VII.-CHEMISTRY American Chemical Journal. Edited by Ira Remsen, president of Johns Hopkins University. Published monthly at Baltimore, Maryland. Price $5 per annum. A strictly technical journal. Bacon, Roger. Mirror of Alchemy, and Admirable Power of Art and Nature, London, 1597. Berthblot, P. E. M. Introduction a l'étude de la chimie des anciens et du moyen age, Paris, 1889. Les origines de l'alchimie, Paris, 1885. Bulletin de la Société Chimique de Paris. A monthly technical journal, treating all phases of the science of chemistry. Food Inspection and Analysis, by Albert E. Leach, S. B. (John Wiley & Sons, N. Y., $7.50). Note. --This book is designed for the use of public analysts, health officers, food economists, etc. Hoefer, J. C. F. Histoire de la chimie, Paris, 1866-1869. This gives biographical sketches of many of the great chemists as well as the history of the development of chemistry. Jahresbericht uber die Fortschritte der Chemie. A journal of the progress in chemistry, published irregularly in Brunswick. Kopp, H. Geschichte der Chemie (4 vols.), Brunswick, 1843-1847. This is an exhaustive history of the development of chemistry. Lehrbuch der Stereochemie, by A. Werner, Jena, 1904, price 10 m. "Should be in the hands of every organic chemist."--Nature for August, 1904. Lemoine, Y. F. La vitalism et l'aminisme de Stahl, Paris, 1864. This discusses fully Stahl's famous theories of matter and life. Meyer, E. von. A History of Chemistry from the Earliest Times to the Present Day, London, 1898. This treats fully the subject of the phlogiston theory and its influence in the development of chemistry. Muir, M. P. Story of Alchemy and the Beginnings of Chemistry, London and New York, 1899. A popular account of the development of the phlogiston theory from alchemy, giving explanations of the curious beliefs and methods of working of the alchemists. Rodwell, G. F. The Birth of Chemistry, London, 1874. Thompson, C. J. S. The Mystery and Romance of Alchemy and Pharmacy, in the Scientific Press, London, 1897. This is very interesting and readable. Thompson, T. The History of Chemistry, London, 1830, 1831. Waite, Arthur Edward.