Yeo UEPARIMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
BULLETIN No. 21. 
(Revised Edition.) 
|p Shel ees © ial Sa 
OF A 
Pale Or SiR A ELA 
MADE UNDER DIRECTION OF THE ENTOMOLOGIST 
TO INVESTIGATE THE 
NATURAL ENEMIES OF THE FLUTED SCALE, 
BY 
ALBERT BORE. 
fe 2082 
‘MAR 28 | 90 
She as 
7HSewian OER 
(PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE.) 
WesHiInGTon: 
GOVERNMENT PRINTING OFFICE. 
1890. 
