Feature

Nations Pile up Stocks of Civilian Gas Masks

In Science Fields

Indians Had Syphilis — Along White Man’s Trail

Want Key-of-G Crickets; Princeton Sends Regrets

Dome for 200-Inch Telescope Is Now Nearing Completion

Population to Decline despite Increases in Past

6,000,000 Persons in U.S. Are Sick Every Day in Winter

Front Matter

“Flight Strips” Proposed to Aid Distressed Planes

Nature Ramblings: Too Many Mouths

Unearth Six Centuries of Painting in Antioch Floors

[Photograph]: Design for a Clock Face