Table of Contents

In this Issue

Letters

The 200-inch telescope takes its first pictures
Four pages of Palomar photographs
by Edison Hoge

Research in Progress: Guayule
Plant physiologists may hold the key to a new source of natural rubber

Desert Floods
They may be rare—but they're rugged
by Richard H. Jahns

The Beaver
A new department devoted to student life
by Jim Hendrickson

Science in Art: Man's First Aerial Voyage
An eyewitness account of an historic event
by Earnest C. Watson

The Month at Caltech

Alumni News

Personals