666 
Journal of Agricultural Research 
Voi. XXX, No. 
Fig. 9.—Apparatus used in colonization of egg parasites of the gipsy moth: a. Separating apparatus, used 
to separate gipsy-moth eggs from the hair; b, showing inner surfaces of disks of separating apparatus; 
c, bouncing apparatus, used to separate nonparasitized gipsy-moth eggs from eggs containing Anastatus 
larvae; d, winnowing apparatus, used for separating the eggs containing Anastatus larvae from the egg¬ 
shells, dead eggs, and other matter removed from the hatching trays 
