PLATE III 



Fig. 20.— A large insect cage used for the study of apple maggot in the Orchard. {Pholo by W. H. BriUain). 

 Fig. 21.— A large box-like cage used for breeding Apanteles out of brown-tail Caterpillars. {Pholoby G. E. Sanders). 

 Fig. 22.— A parasite breeding tray. (Photo by J. D. Tothill). Fig. 23.— A Fiske trav. {Photo by J. D. Tothill). 



Fig. 24.— A tachinid rearing box. {Photo by J. D. Tothill). Fig. 25.— A parasite rearing box. Fig. 26.— Interior 



view of Insectary, Fredericton, N.B., showing arrangement of Fiske trays in racks. (Pholo by J. D. Tothill). 



