Technical Series No. 19. 



U. S. DEPARTMENT OF AGRICULTURE, 



BTJREAXJ OF ENT0M:01L.0G!-Y. 



L. O. HOWARD, Entomologist and Chief ol Bureau. 



TECHNICAL RESULTS FJU)M THE GIPSY MOTH 

 PARASrrE LABORATORY. 



CONTENTS AND INDEX. 



Issued October 18, 1916. 



WASHINGTON: 



GOVERNMENT PRTN'nNG OFFICE. 



1916. 



