Feature

Nature Ramblings: Thistle Butterfly

Coeducational Alumni More Nearly Replace Themselves

Eugenicists Urged to Drop Cattle Breeding Analogy

Stroboscopic Camera Takes One Picture per Flash

Smaller Loaves and Cakes from Rust-Diseased Wheat

In Science Fields

Birth Control Effects Negative, Dr. Osborn Tells Eugenists

Front Matter

Ice Age Rhinoceros Displayed in Museum

Hope to Vaccinate Farmers in Spotted Fever Area Next Year

First Glances at New Books

Three Thighbones Confirm Java Ape-Man’s Position