Feature

Harvard Astronomers Get Photo of Meteor Spectrum

Nature Ramblings: Codfish

Surplus Bison, Elk and Deer Distributed by Government

Ice-Destroying Chemicals Injurious to Concrete

Arabs Use Red Squill to Kill Vermin

Front Matter

More Drivers Obey Laws at Light-Controlled Corners

New Machine Measures Strength of Ultraviolet

Elimination of Unsafe Drivers Impractical to Cut Accidents

Cleanliness Prevents Skin Inflammations

A New Introduction to the Father of Bacteriology

American Astronomer Gets Royal Society Medal