Feature

Conqueror Mohammed Wrote Poetry as Religious Exercise

Nature Ramblings: Unusual Prey

Ticks Suspected Carriers of Fatal Poultry Disease

First Glances at New Books

Volume Information

Front Matter

Completion of 200-Inch Telescope Is in Sight

[Photograph]: For Precision

Airplane Locator Probably Uses Altimeter Principle

Life and Death Closely Connected with Electricity

[Photograph]: Polar Airdrome

Secrets of Living Cells Shown by Electron Microscope