| TABLE OF CONTENTS. |
|---|
| | PAGE. |
| I. | [ARCHÆOLOGY.—Tombs of the First Egyptian Dynasty—ByLudwig Borchardt] | 18767 |
| II. | [ANTHROPOLOGY.—The Milestones of Human Progress] | 18766 |
| III. | [BIOGRAPHY.—The Queen Regent and Alfonzo XIII.—1 illustration] | 18755 |
| IV. | [BOTANY AND HORTICULTURE.—Rose Psyche—1 illustration ] | 18768 |
| V. | [CIVIL ENGINEERING.—The Lock of the Dortmund-Ems Canalat Henrichenburg.—1 illustration] | 18776 |
| VI. | [ELECTRICITY.—The Development of the Central Station—By Samuel Insull] | 18774 |
| VII. | [MARINE ENGINEERING.—Steering Gear of North German Lloyd Steamers "Coblentz," "Mainz" and"Trier."—2 illustrations ] | 18777 |
| VIII. | [MEDICINE AND HYGIENE.—Sleep and the Theories of its Cause] | 18768 |
| IX. | MISCELLANEOUS:
|
| [Engineering Notes.] | 18771 |
| [Electrical Notes. ] | 18771 |
| [Selected Formulæ. ] | 18771 |
| X. | [NATURAL HISTORY—Wild and Domestic Sheep in the Berlin Zoological Garden.—8 illustrations ] | 18772 |
| XI. | [PATENTS.—Patents.—By James W. See] | 18773 |
| XII. | [PHOTOGRAPHY.—Amateur Chronophotographic Apparatus.—2 illustrations] | 18769 |
| XIII. | [STEAM ENGINEERING.—Combined Steam Pumping and Motive Power Engine.—1 illustration] | 18778 |
| XIV. | [TECHNOLOGY.—The Reclaiming of Old Rubber.—By Hawthorne Hill] | 18769 |
| XV. | [WARFARE.—The American "Regular."—By the English correspondentof the London Times on board the United States transport "Gussie." ] | 18776 |