A t.i.t della a.s.sociazione Elethotecnica Italiana (at Rome). A large bi-monthly magazine, strictly technical, devoted largely to theoretical problems of electricity and allied subjects.

Bulletin International de VElectricite et Journal de VElectricite {reunis). A semi-monthly four-page paper dealing with the technical application of electricity in its various fields.

Die Dissozuerung und Umwandlung chemischer Atome, by Dr. Johannes Stark, 1903. Price 150 m. "A comprehensive view of the application of the electron theory to certain phenomena."--Nature, May, 1904.

Die Kathodenstrahlen, by G. C. Schmidt, Brunswick, 1904.

"A concise and complete account of the properties of the cathode rays."--Nature, June, 1904.

Electrical Engineer.

Electrical Magazine.

Electricity. A weekly journal, published by the Electricity Newspaper Co., New York. Devoted largely to questions of the practical application of electricity, but dealing also with the theoretical side.

Elements of Electro-magnetic Theory, by S. J. Barnett, Le-land Stanford, Junior, University. Macmillan & Co., 1904.

($3.)

Handbuch der Physik, by Dr. A. Winkelmann, Leipzig, 1904. "An indispensable storehouse of expert knowledge."--Nature, July, 1904.

Hardin.

Rise and Development of the Liquefaction of Gases, New York, 1899.

La theorie de Maxwell et les oscillations hertziennes, la Telegraphie sans flt by H. Poincare, Paris, 1904 (price 2 fr.). Interesting studies of light, etc. An interesting brochure.--Revue Scientifique, July, 1904.

Le radium et la radioactivite, by Paul Besson, Paris, 1904 (price 2 fr. 75). A good exposition of the known properties of radium, marred, however, by an attempt to put in accord science and religion--a propos du radium! --Revue Scientifique, July, 1904.

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'etude de la chimie des anciens et du moyen age, Paris, 1889.

Les origines de l'alchimie, Paris, 1885.

Bulletin de la Societe Chimique de Paris. A monthly technical journal, treating all phases of the science of chemistry.

Food Inspection and a.n.a.lysis, by Albert E. Leach, S. B. (John Wiley & Sons, N. Y., $7.50). Note. --This book is designed for the use of public a.n.a.lysts, 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.

Lives of Alchemisttcal Philosophers, London, 1888. A biographical account of the most noted alchemists. This is very complete. Waite has also collected a list of the princ.i.p.al works of the alchemists, this list filling about thirty pages of fine print.

VIII.--GEOLOGY. BIOLOGY, PALEONTOLOGY

American Geologist.

American Museum of Natural History Bulletins, New York.