The Contributions of Geodesy to Geography

By Determining the Size and Shape of the Earth

Walnuts in Asia, Etc.

Briquetting and Tar Distilling Plant at Nuremberg Gasworks

Anomalies in the Animal World

Flying Mammals; Flightless Birds and Other Curious Forms

Comet 1915 (e) Taylor

Man and the Universe

Promoting our Supplies of Food Fishes

What the Government Does for the Producer and the Consumer

Conversion of Coal into Soluble Substances by means of Ozone

Capillary and Electrocapillary Chemistry—I

A Survey of the More Important Phenomena, and Technical Applications

Scratching for Tin in Queensland

Asbestos Discovered in Arizona

Study of Wave Motion

With a View to Counteracting the Rolling of Ships

New German Submarines without Periscopes

On the Capture of Comets by Planets

The Total Solar Eclipse of June 8, 1918

Observatory, Topeka

Vibrations, Waves and Resonance—IV

The General Principles Underlying Wave Motions

Recent German Aeroplanes

Experiments on Earth-Pressures

Utilization of the Discharge through Gases