Feature

Gland Extract Increases Body Growth but Not Brain

Changing Constellations and Meteors Featured in Skies

In Science Fields

The Corliss Engine: “A Classic Invention”

New Features Built into Next Navy Airship, “Macon”

Scientists Begin Occupying Stations for Polar Year Work

Stomach Ulcers Produced by Protein Starvation

Nature Ramblings: Seals

First Glances at New Books

Front Matter

Paths of Totality Crosses Popular Vacation Section

Sun’s Darkening Makes Visible Sights Seen at No Other Time