Feature

High-Grade Fuel Made from Run-of-the-Mine Coal

“Late” Artillery Reports Give Clues to Stratosphere

Nature Ramblings: A Pallid Brotherhood

Opinions on Social Matters Go with Brand of Politics

Health Army Has War Maps for Disease Fight

Harrison, Murphy, Riegel Science Service Trustees

[Photograph]: Jawbone of a Whale

New Kind of Star Group Discovered at Harvard

Ether Drift Experiment Is Repeated with Success

Front Matter

Two Eclipses

Urges Breeding for Animals but Not for Human Beings