Feature

Helena Quake Caused by Mountains’ Growing Pains

Wing-Bone of Pteranodon Found in Central Texas

[Photographs]: Important Shot

Finds Souvenir of Big Game Hunt, Ancient American Style

Urges Scarlet Fever Control by Immunizing

Man May Disappear as Step toward Higher Things

Place of a at Beginning of Alphabet Is Explained

New Way to Measure Extent of Mottled Enamel

New Theory of Cosmic Rays Advanced by Dr. Swann

Finds of Cave Man Art Made in Interior Spain

In Science Fields

Overhead Is Andromeda Nebula