Feature

Improvements to Autogyro Make Craft More Useful

British House Planned to Shut out Traffic Din

Explorer Finds First Traces of Unknown Everglades Tribe

New S-Rotor Runs Efficiently on Both Wind and Water

In Science Fields

Australia Arousd to Preserve Wild Life

Temperament and Health Possibly Correlated

Front Matter

Astronomers to Study Meteors from Stations in Arizona

Pleasant Words Are More Easily Remembered

In Science Fields

First Glances at New Books