U. S. DEPARTMENT OF AGRICULTURE. 
division oe entomology. 
Bulletin No. 15. 
THE 
IGERYA OR FLUTED SCALE, 
OTHERWISK KNOWN AS THE 
COTTONY CUSHION-SCALE. 
[REPRINT OF SOME RECENT ARTICLES BY THE ENTOMOLOGIST AND 
OF A REPORT FROM THE AGRICULTURAL EXPERIMENT 
STATION, UNIVERSITY OF CALIFORNIA.] 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE, 
1887. 
404— Bull. 15 
