Bulletin No. 14, New Series. 
U. S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
THE PERIODICAL CICADA. 
AN ACCOUNT OF CICADA SEPTENDECIM, ITS NATURAL ENEMIES 
AND THE MEANS OF PREVENTING ITS INJURY, 
TOGETHER WITH 
A SUMMARY OF THE DISTRIBUTION OF THE DIFFERENT BROODS. 
O. L. MARLATT, M. S 
FIRST ASSISTANT ENTOMOLOGIST. 
WASHINGTON: 
G ( > v E i; n M !•: N T PB1 N T I X G P P l C B 
1898. 
