EXPLANATION OF PLATE 88. 

 Hymenopterous Parasites of North American Butterflies. 



Lithography by B. Meisel. Figs. 4, 5, 6, 9, 10, 11, 12, 14 and 15 .were drawn by George Marx; figs. 3, 8 and 13 by 

 James H. Emerton ; figs. 1, 2 and 7 by Emerton and Marx, and fig. 16 by Henri Metzger. The enlargement is indi- 

 cated by the lines at the side. 



1. Ichneumon ruflventris. 10. Microdus sanctus. 



2. Ichneumon versabilis. 11. Microgaster carinata. 



3. Tragus exesorius. 12. Apanteles glomeratus. 



i. Hemiteles humeralis. 13. Cocoons of Apanteles atalantae. 



5. Limneria limenitidis. 14. Chalcis flavipes. 



6. Pimpla annuUpes. 15. Chalets flavipes. Hind femur from side. 



7. Qlypta err alien. 16. Chrysalis of Polygonia iuterrogationis, as 



8. Ophion hilineatus. cut by HopUsmemis morulus in escaping. 



9. Hoplismenus morulus. 



