Feature

Nature Ramblings: Inches of Rain

X-Rays with Microscope Reveal Hidden Flaws in Metals

First Glances at New Books

Front Matter

Expect Victory or Disaster in War on Sleeping Sickness

[Photograph]: Medium

Two New Methods of Gaging Altitude of Airplanes

[Photographs]: Ordinary Photograph

Mystery Explosive Plant May Be Effort to Avoid Bottleneck

Epilepsy and Migraine Are Related Diseases

New Hall of Fishes Opened at Field Museum

Half-Billion Years Represented by Three Small Specimens