Feature

First Glances at New Books

Poison Ivy Worst When Leaves Are Young

In Science Fields

Mysterious Disease Seems to Lurk in Northwestern Grain

Front Matter

Headaches May Be Caused by Food Sensitiveness

New Game Fish Given Home in Glacier National Park

Unmanned Balloon Used to Make Aerial Maps

Iodine from Oil Brines Breaks Former Monopoly

Heavy Tax on Farm Products Levied by Plant Diseases

Modern Indians Surpassed by Monte Alban Jewelers

Finding of Arrow Head near Mammoth Bone Raises Query