Feature

First Glances at New Books

High Frequency Currents New Aid in Cataract Removal

Physicians Urged to Avoid Idea of “Legal Insanity”

Hitler’s Danzig Threat May Have Meant Air Power

Animal Glands Transplanted Give Hope in Addison’s Disease

Rare Hawaiian Plant Flourishes in Volcano

Nature Ramblings: Introducing Aggrids

Hitler Propaganda Will Appear Pacifist in U. S.

First Glances at New Books

Front Matter

Sex Antagonism in Hormones Clue to Possible Cancer Foe

Panama Canal Not First to Link American Oceans