TECHNICAL SERIES No. 2. 
mS. DEPARTMENT OF AGRICUILLURE. 
DIVISION OF ENTOMOLOGY. 
ied sy 
CRASS AND GRAIN JOINT-WORM FLIES 
RED, ATES: 
A CONSIDERATION OF SOME NORTH AMERICAN 
PHYTOPHAGIC EURYTOMIN. 
BY 
~. ©. HOW AD 
ENTOMOLOGIST. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1896. vd 
