Feature

If America Had Not Been Discovered

Ancient Myth Had Basis in Fact

Signs of Culture Found in Rubbish

Congress Considers Jobless and Aged

First Glances at New Books

In Various Science Fields

Decline of Pueblos Mysterious

Nature Ramblings: Cardinal

The Telephone: A Classic Invention

Pipe for Gaging Speed of Light

Front Matter

Carbon Monoxide May Now Be Removed from Auto Exhaust