A MONTHLY SERIAL
FORTY ILLUSTRATIONS BY COLOR PHOTOGRAPHY
A GUIDE IN THE STUDY OF NATURE
Two Volumes a Year
VOLUME VI.
June, 1899, to December, 1899
EDITED BY C. C. MARBLE
CHICAGO
A. W. MUMFORD, Publisher
203 Michigan Ave.
1900
COPYRIGHT, 1899
BY
Nature Study Publishing Co.
Chicago
ILLUSTRATED BY COLOR PHOTOGRAPHY.