Feature

Dr. David White, Geologist, Dies during Sleep

“Green Germ” of Ceylonese Malaria Is New Species

Quick Photographs Possible with New Ignitron Tube

Smoking Mother Transmits Tobacco Products to Child

Photographic Plates May Test Magneto-Optic Method

In Science Fields

Saving the Ducks

Nature Ramblings: A Tree-Planting President

Fire in the Forest Not Always a Devil

Egyptians Planned Their Own Funerals and Mummies

Winter in Midwest Leaves Chinch Bugs Ready for III

First Glances at New Books