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The Power-Generating Plant at the Paris Exposition

An Outline of the Development of American Locomotives.—II

Line Leakage and Charging Currents

By W. E. Goldsborough

A Folding Foot-Bridge and Folding Push-Cart

Telegraph and Telephone Work in the Philippines

Recent Developments in Nernst Lamps

On Krypton

By A. Ladenburg and C. Kruegel

Commercial University for Hamburg

The Lingual Tractor

The Tapir

The means of Defense of Animals.—II

The Protection of the Young

New Method of Diminishing the Force of Waves and Surf

The Wind Cave of South Dakota

By E. O. Hovey

The Political Organization of the Filipinos

By R. L. Packard

Cattleya × Maggie Raphael (Dowiana Aurea ♀, Labiata Trianæi ♂)

Selected Formulæ

Trade Notes and Receipts

Trade Suggestions from United States Consuls

The Kinetic Theory of Planetary Atmospheres

By G. H. Bryan

Patents!

Departments

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    June 16, 1900

    Complex Causes. Alternative Solutions.