Feature

Contagion of Typhoid Fever: “A Classic of Science”

[Photograph]: Bareback

Deserted Island Is Set Aside as Bird Refuge

Astronomer Disputes Theory That Universe Is Exploding

Industrial Hygiene Urged to Lengthen Adult Life

Activity of Pituitary Gland Basis of Test for Pregnancy

Irregular Rainfall on Barren Plains Cause of China Floods

[Photograph]: Largest of His Time

Gasp Is Not Usual Response of Persons Scared by Snake

Explosive Used to Produce Earth Tremors Artificially

Front Matter

Nature Ramblings: Snow-on-the-Mountain