Feature

Three Planets Decorate August Evening Skies

First Glances at New Books

Magic in Roman Life

Why Cod-Liver Vitamins?

Building and Flying Model Airplanes

Front Matter

Nature Coordination

Anniversaries of Science

$4,500,000 Dirigible to Give U. S. Air Lead

August Nature Calendar

Two Quakes in Seven Years

X-Rays Imperil Heredity