Feature

Nature Ramblings: Catbird

Larger Mercury Vapor Electric Generating Unit Being Built

Science’s Growth Indicated by Increase in Literature

Nature Ramblings: Locust Trees

Sea Creatures Depend on Seemingly Remote Influences

First Glances at New Books

Front Matter

Earliest Americans Hunted Ice Age Beasts with Stone Darts

Moon Found to Have Influence on California Earthquakes

[Photograph]: Cold-Blooded Maternity

New Slow Electron Compass Points East Instead of North

X-Rays Relieve Baby’s Stomach Obstruction