Feature

Modern Indians Surpassed by Monte Alban Jewelers

New Heavenly Neighbor Passes within Orbit of the Earth

Heavy Tax on Farm Products Levied by Plant Diseases

Yellow Fever Susceptibility Determined by New Test

First Glances at New Books

How Heavy Is a Mountain? “A Classic of Science”

X-Rays of Liver Possible through Chemical Injection

Front Matter

Unmanned Balloon Used to Make Aerial Maps

Nature Ramblings: Hawk-Moth

In Science Fields

Genes, Once Hypothetical, Now Seen and Photographed