| TABLE OF CONTENTS. |
|---|
| I. | BOTANY.—Cocos Pynaerti.—A new dwarf growing palm.—1 illustration. |
| II. | CHEMISTRY.—The Application of Electrolysis to QuantitativeAnalysis.—By CHARLES A. KOHN, B.Sc., Ph.D.—Applicability ofthese methods to poison determinations. |
| III. | CIVIL ENGINEERING.—The Kioto-Fu Canal in Japan.—AJapanese canal connecting the interior of the country with thesea.—3 illustrations. |
| The Iron Gates of the Danube.—An important engineering work,opening a channel in the Danube.—1 illustration. |
| The New German Ship Canal.—Connection of the Baltic withthe North Sea.—Completion of this work.—1 illustration. |
| Transit in London, Rapid and Otherwise.—By JAMES A. TILDEN.—Apractical review of London underground railroads and theirdefects and peculiarities. |
| IV. | ELECTRICITY.—An Electrostatic Safety Device.—Apparatusfor grounding a circuit of too high potential.—1 illustration. |
| Experiments with High Tension Alternating Currents.—Sparkingdistance of arc formed by a potential difference of 20,000 volts.—1 illustration. |
| Laying a Military Field Telegraph Line,—Recent field trials inlaying telegraph line in England.—3 illustrations. |
| Some Experiments on the Electric Discharge in Vacuum Tubes.—By Prof. J.J. THOMSON, M.A., F.R.S.—Interesting experimentsdescribed and illustrated.—4 illustrations. |
| The Electrical Manufacture of Phosphorus.—Note upon a newEnglish works for this industry. |
| V. | GEOGRAPHY.—The Mississippi River.—By JACQUES W. REDWAY.—An interesting paper on the great river and its work andhistory. |
| VI. | MECHANICAL ENGINEERING.—How to Find the Crack.—Note on a point in foundry work. |
| Riveted Joints in Boiler Shells.—By WILLIAM BARNET LEVAN.—Continuation of this practical and important paper.—10 illustrations. |
| VII. | MEDICINE AND HYGIENE.—Influence of Repose on the Retina.—Importantresearches on the physiology of the eye. |
| The Relation of Bacteria ...
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