AMERICAN 
ATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 
MANAGING EDITO 
Prors. E. D. COPE, Philadelphia, AND J. * KINGSLEY, Boston. 
- nowincdl EDITORS: ES 
O. WHITMAN, Chicago, Dr, C. ESSEY, Lincoln, THOMAS WILSON, Washington, 
P. 
: Neb. A 
or. C. M. WEED, Durham, N. H — fe = BAYLEY, Waterville, Mai aine, Ror. E. A, ANDREWS, Baltimore, 
"Pa . LOCKINGTON, Rugby, England. 
SEPTEMBER, 1893. No.321 . 
CONTENTS. 
PAGE. 
PHILOSOPHY OF FLOWER SEASONS. 
enry L. Clarke, 769 
(fllustrated.) : 
John M. Clarke. ed 
oY AND qus ATION TO — 
€ 90. Whitman. 802 
