The New Polarizing Photo -Chronograph at the United States Artillery School, Fort Monroe, Va

A Patient's Account of the Paris Pasteur Institute

Expanded Metal

Canet's Concentric Ring Breech Apparatus

A Novel Method of Training

The Third Race of Horseless Carriages

From Paris to Marseilles and Return

Beverages of Mexico

A New Military Boat

Selected Formulæ

The Lean Meat Diet

Electrical Notes

Engineering Notes

Miscellaneous Notes

Eucalyptus Calophylla

Forecasting Famines in India

The Camphor Tree

Gem Fields of the World

An Ivory Sale at Antwerp

A Possible Cause of Change on the Moon's Surface

Insurance of Infants' Lives