Feature

Vitamin $text{B}_{1}$ in Irrigation Fails to Aid Orange Trees

Sky as a Clock

More Tung Oil Production Needed in United States

Fireworks for Defense Aids Safe and Sane Fourth

Here’s Recipe for Cocktail Served by Fifth Columnists

Monkeys Not Dangerous as Disease Carriers

Nature Ramblings: Poison Preventives

Dressmaker Can Have Dummy Duplicating Her Own Figure

First Glances at New Books

Front Matter

Fits Produced as Protection against Epileptic Seizures

[Photograph]: Training Class