UNITED STATES
DEPARTMENT OF THE INTERIOR
NATIONAL PARK SERVICE
Region III
Santa Fe, New Mexico.

CONTENTS COVER Saguaro cactus MILLIONS OF BATS By Harold J. Brodrick . . . . . Page 3. LESSONS IN BOTANY By Dr. W. B. McDougall . . . . . Page 7. NAVAJO MEDICINE MEN By Winifred S. Tillotson . . . . . Page 11. THESE LITTLE PIGS HAVE A WAY By M. V. Walker . . . . . Page 15. MUSEUMS, OLD AND NEW By Dorr G. Yeager . . . . . Page 19. DON'T KILL THOSE HAWKS! By Earl Jackson . . . . . Page 25. THE ORIGIN OF THE ROYAL GORGE By Dr. Don B. Gould . . . . . Page 32. DESCENT OF THE CANYONS By Norman D. Nevills . . . . . Page 37. The contents of the Region III Quarterly are not copyrighted. Other publications are at liberty to quote from, or reprint, the articles when proper credit is given. M. R. Tillotson Leo A. McClatchy Regional Director Editor Santa Fe New Mexico

REGION III

ARIZONA - ARKANSAS - NEW MEXICO - OKLAHOMA
TEXAS -UTAH - AND SOUTHERN PARTS
OF COLORADO - NEVADA