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Aboriginal Remains in Verde Valley, Ariz

By Cosmos Mindeleff

Whale Fishing

Northern Lights as Seen from the Brocken

The Varying Power of Tornadoes and their Frequency

The Government's Hospital for Plants

Lælio-Cattleya X Decia Alba

The Making of an Herbarium

By Clement B. Lowe

Peat Bogs and Migratory Mosses

By G. Archie Stockwell


Completion of the Rue Reaumur, Paris

Canadian Railway Building

The Clock of Place Gambetta, Amiens

Lincoln's Private Car

Rotary Pumps and Engines: Their Origin and Later Development

Prehistoric Textile Art of the Eastern United States

The Extraction of Gold by Chemical Methods

By T. K. Rose

Dr. Koch's Reports on Rinderpest

Shortness of Breath on High Mountains

Formaldehyde as a Disinfectant

Electrical Notes

Engineering Notes

Miscellaneous Notes


Selected Formulæ


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    April 17, 1897