Fig. 1.—VIEW OF LABORATORY INTERIOR, SHOWING CAGES IN SE FOR REARING 
PARASITES FROM HIBERNATING WEBS OF THE BROWN-TAIL MOTH IN 1910-1911. 
(ORIGINAL. 
Fic. 2.—“* SIFTING”? GiPSy-MOTH EGGS FOR EXAMINATION AS TO PERCENTAGE OF 
PARASITISM. (ORIGINAL. 
