14 
O. S. U. Naturalist. 
[Nov. 
4. Lestes uncatus, Kirby. 
5. Lestes rectangularis, Say. 
6. Lestes vigilax, Hagen. 
7. Lestes ineqnalis, Walsh. 
8. Argia putrida, Hagen. 
9. Agria violacea, Hagen. 
10. Argia tibialis, Rambur. 
11. Argia apicalis, Say. 
12. Erythromma conditum, Hagen. 
13. Nehalennia posita, Hagen. 
14. Nehalennia irene, Hagen. 
15. Amphiagrion saucium, Burm. 
16. Enallagma traviatum, Selys. 
17. Enallagma civile, Hagen. 
18. Enallagma carunculatum, Morse. 
19. Enallagma hageni, Walsh. 
20. Enallagma geminatum, Kel. 
21. Enallagma exsulans, Hagen. 
22. Enallagma antennatum, Say. 
23. Enallagma signatum, Hagen. 
24. Enallagma pollution, Hagen. 
25. Ischnura vertical is, Say. 
26. Ophiogomphns rupinsulensis, Walsh. 
27. Gomphus dilatatus, Rambur. 
28. Gomphus quadricolor, Walsh. 
29. Gomphus fraternus, Say. 
30. Gomphus furcifer, Hagen. 
31. Gomphus spicatns, Selys. 
32. Gomphus sordidus, Selys. 
33. Gomphus exilis, Selys. 
34. Dromogomphus spinosus, Selys. 
35. Anax junius, Drury. 
36. Basiseschna janata, Say. 
37. Episeschna heros, Fab. 
38. HCschna, verticalis, Hagen. 
39. Nasiseschna pentacantha, Rambur. 
40. Macromia illinoiensis, Walsh. 
41. Epicordulia princeps, Hagen. 
42. Tetragoneuria cynosura, Say. 
43. Tetragoneuria semiaqua, Burm. 
44. Tramea lacerata, Hagen. 
45. Libellula basalis, Say. 
46. Libellula pulchella, Drury. 
47. Libellula semifasciata, Burm. 
48. Libellula exusta, Say. 
49. Libellula incesta, Hagen. 
