PLATE VII. 



1. Cocoons of Apantclcs {Protapanteles) congregatiis Say on 



young Tobacco \\'orm. Natural size. 



2. Cocoons of a Microgasterine, the host of Pcconiachus 



111 i II i III IIS Walsh, on apple twig. Natural size. 



3. Cocoons of a Microgasterine, Apanteles {Protapantcles) 



gloiiicratiis (Linn), a parasite of the Cabbage Worm. 

 Twice natural size. 



