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Features

The Vipers of Gaboon

Sulphuret of Carbon for Killing Insects

Horses' Legs

By Richard Hugh Hilhouse

Trichinæ in the Hippopotamus

The Volcano of Kilauea, Sandwich Islands

On a Recent Silent Discharge of Kilauea

By Titus Coan

The Human Race at Least Two Hundred Thousand Years Old

The Geology of Port Henry, New York

T. Stebby Hunt.

By T. Sterry Hunt

Nordenskjold in the Arctic

The Ice Cavern of Dobschau

On the Estherville, Emmet County, Iowa, Meteorite of May 10, 1879

By Charles Upham Shepard

Bessemer's Great Reflecting Telescope

Hans & Hermary's Absolute Barometer

American Association for the Advancement of Science

The Interoceanic Canal Problem

By Edward P. Lull

Madame Blanchard, the Aeronaut

British Association—The President's Address

Influence of Pressure on Spectra

The Davis Island Dam, Pittsburg

The Indiana State House

Dovetail and Dovetail Tools

The American Seal Fisheries, Alaska

Flexible Negatives

By A. W. Turner

Ropiness in Beer

New Thermo-Electric Battery

Small Electric Lights from Batteries

The Electrical Alarm Compass

Abstracts of Chemical Papers.-Journal of the Chemical Society

Hay Fever

Electric Voting Apparatus

Filtering and Purifying of Water

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    September 27, 1879

    Think Outside the Gift Box