Feature

Dogs and Convicts Aid Pellagra Sufferers

New South American Volcano

Westward Atlantic Flight Hazardous

The Light Game

Hall of Fame for Agassiz and Morse

Rays Show Tooth Cavities

Some Sayings of Agassiz

Sewage a Constant Menace in Cities

Sun a Pulsating Star

Nature Ramblings: Kinkajou

Classics of Science: Berzelius on the Use of the Blowpipe

First Glances at New Books