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Eruption of the Volcano of Etna

Hudson Bay—Canada's Great Lone Sea

By William Smith

Hardy Crinums

The Condor, the Penguin, the Sloth

The Secret of the Heavens

By J. Ellard Gore

The Value of Maize as Human Food

By Charles J. Murphy

The Cultivation of Coffee in Jamaica

By C. G. Lloyd

Recent Archæological Discoveries in Ohio

Drinking Water a Source of Malaria

By Richard Waggener

The Descriptive Arts and the Exact Sciences

Life saving Devices

Larroque's Experiment

The Effects of an Auroral Disturbance on Cables and Land Lines

A New Silver Ore

By H. N. Warren


Residual Life of Muscle

By Arm. Gautier and L. Landi

Useful Engineering Books

Weighing Precipitates upon Dried Filters

By Fr. Rudorff


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    August 27, 1892

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