The Metabolism of Insects—I
Successive Changes Undergone During their Post-Embryonic Lives
Volume 82, Issue 2124supp
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Features
Aerial Propulsion of Boats
Literacy in China
New Telephone Sound Augmenter
Magic Pictures
A Novel Diversion for Young People
Meteorites: Wonderful Messages from the Sky
Towing at Sea
Natural History of the Eel
The Decay of Metals
Certain Changes in Character that are Liable to Occur
By Rail to Ceylon
Animal Ecology
The Big Guns in the War
The New Artillery now Being used by the Allies
Imperial Trains of Europe
Internal Combustion Engine Cycles—II
Possibilities of the Constant Pressure Cycle
News by Wireless
The Truth about Colored Rubber
How Color is Obtained and Why it is Unrelated to Quality
The Pallograph
An Ingenious Instrument for Recording Vibrations
Modern Methods in Surveying
Unstable States in Arc and Glow
The Diverse Ways in which the Instability Asserts Itself
The History of the Safety Lamp
The Result of One Hundred Years of Effort