| TABLE OF CONTENTS. |
|---|
| I. | [ BIOGRAPHY.—Dr. Morell Mackenzie.—Biographical note and portrait of the great English laryngologist—the physician of the Prussian Crown Prince.—1 illustration. ] | 9794 |
| II. | [ BOTANY.—Soudan Coffee.—The Parkia biglobosa.—Its properties and appearance, with analyses of its beans.—8 illustrations. ] | 9797 |
| [ Wisconsin Cranberry Culture.—The great cranberry crop of Wisconsin.—The Indian pickers and details of the cultivation. ] | 9796 |
| III. | [ CHEMISTRY.—Analysis of Kola Nut.—A new article adapted as a substitute for cocoa and chocolate to military and other dietaries.—Its use by the French and German governments. ] | 9785 |
| [ Carbonic Acid in the Air.—By THOMAS C. VAN NUYS and BENJAMIN F. ADAMS, Jr.—The results of eighteen analyses of air by Van Nuys apparatus. ] | 9785 |
| [ The Crimson Line of Phosphorescent Alumina.—Note on Prof. Crooke's recent investigation of the anomalies of the oxide of aluminum as regards its spectrum. ] | 9784 |
| IV. | [ ELECTRICITY.—Electric Time.—By M. LITTMANN.—An abstruse research into a natural electric standard of time.—The results and necessary formulæ. ] | 9793 |
| [ New Method of Maintaining the Vibration of a Pendulum.—Ingenious magneto-electric method of maintaining the swinging of a pendulum. ] | 9794 |
| [ The Part that Electricity Plays in Crystallization.—C. Decharme's investigations into this much debated question.—The results of his work described.—3 illustrations. ] | 9793 |
| V. | [ ENGINEERING.—A New Type of Railway Car.—A car with lateral passageways, adapted for use in Africa—2 illustrations. ] | 9792 |
| [ Centrifugal Pumps at Mare Island Navy Yard, California.—By H.R. CORNELIUS.—The great pumps for the Mare Island dry docks.—Their capacity and practical working. ] | 9792 |
| [ Foundations of the Central Viaduct of Cleveland, O.—Details of the foundations of this viaduct, probably the largest of its kind ever constructed. ] | 9792 |
| VI. | [ METALLURGY.—Chapin Wrought Iron.—By W.H. SEARLES.—An interesting account of the combined pneumatic and mechanical treatment of pig iron, giving as product a true wrought iron. ] | 9785 |
| VII. | [ METEOROLOGY.—On the Cause of Iridescence in Clouds.—By G. JOHNSTONE STONEY.—An interesting theory of the production of prismatic colors in clouds, referring it to interference of light. ] | 9798 |
| [ The Height of Summer Clouds.—A compendious statement, giving the most reliable estimation of the elevations of different forms of clouds. ] | 9797 |
| [VIII. MISCELLANEOUS.—The British Association.—Portraits of the president and section presidents of the late Manchester meeting of the British Association for the Advancement of Science, with report of the address of the president, Sir Henry E. Roscoe.—9 illustrations. ] | 9783 |
| IX. | [ PHYSIOLOGY.—Hypnotism in France.—A valuable review of the present status of this subject, now so much studied in Paris. ] | 9795 |
| [ The Duodenum a Siphon Trap.—By MAYO COLLIER, M.S., etc.—A curious observation in anatomy.—The only trap found in the intestinal canal.—Its uses.—2 illustrations. ] | 9796 |
| X. | [ TECHNOLOGY.—Apparatus for Testing Champagne Bottles and Corks.—Ingenious apparatus due to Mr. J. Salleron, for use especially in the champagne industry.—2 illustrations. ] | 9786 |
| [ Celluloid.—Notes of the history and present method of manufacture of this widely used substance. ] | 9785 |
| [ Centrifugal Extractors.—By ROBERT F. GIBSON.—The second installment of this extensive and important paper, giving many additional forms of centrifugal apparatus—12 illustrations. ] | 9789 |
| [ Cotton Industries of Japan.—An interesting account of the primitive methods of treating cotton by the Japanese.—Their methods of ginning, carding, etc., described. ] | 9788 |
| [ Gas from Oil.—Notes on a paper read by Dr. Stevenson Macadam at a recent meeting of the British Gas Institute, giving his results with petroleum gas. ] | 9787 |
| [ Improved Biscuit Machine.—A machine having a capacity for making 4,000 small biscuits per minute.—1 illustration. ] | 9787 |
| [ Improved Cream Separator.—A centrifugal apparatus for dairy use of high capacity.—3 illustrations. ] | 9787 |
| [ The Manufacture of Salt near Middlesbrough.—By Sir LOWTHIAN BELL, Bart., F.C.S.—The history and origin of this industry, the methods used, and the soda ash process as there applied.] | 9788 |