THE CANADIAN ENTOMOLOGIST. 267 



Fig. 8. — Limnephilus spinatus, genitalia. 



Fig. 9. — Limnephilus spinatus, genitalia above. 



Fig. 10. — Schizopelex hesperus, wings. 



Fig. 11. — Neuronia smithi, genitalia. 



Fig. 12. — Psiloneura moesta, wings, palpi. 



Fig. 13. — Limnephilus argenteus, genitalia. 



Fig. 14. — Limnephilus cequalis, genitalia. 



Fig. 15. — Lcptocella intervena, fore wing. 



Fig. 16. — Glossosoma penitus, genitalia. 



Fig. 17. — Limnephilus secludens, genitalia. 



Fig. 18. — Paragapetus moestus, fore wing. 



Fig. 19. — Glossosoma penitus, genitalia, beneath. 



Fig. 20. — Paragapetus moestus, genitalia. 



Fig. 21. — Stenophylax hesperus, genitalia. 



Fig. 22. — Anisogamus disjunctus, genitalia. 



Fig. 23. — Paragapetus moestus, hind wing. 



Fig. 24. — Astoplectron connexa, wings. 



Fig. 25. — Plectrocnemia cinerea, genitalia, above. 



Fig. 26. — Plectrocnemia cinerea, genitalia. 



Fig. 27. — Limnephilus secludens, genitalia, behind. 



Fig. 28. — Mormomyia vernalis, genitalia. 



Fig. 29. — Limnephilus productus, genitalia, above. 



Fig. 30. — Philopotamus distinctus, genitalia. 



Fig. 31. — Limnephilus cequalis, genitalia, above. 



Fig. 32. — Stenophylax flavata, genitalia, above. 



Fig. 33. — Stenophylax flavata, genitalia, behind. 



Fig. 34. — Olemira costalis, genitalia. 



Fig. 35. — Phylocentropus vestilus, genitalia. 



Fig. 36. — Limnephilus productus, genitalia. 



Fig. 37. — Plectrocnemia canadensis, genitalia. 



Fig. 38. — Philopotdmus americanus, genitalia. 



Fig. 39. — Rhyacophila acropedes, genitalia. 



Fig. 40. — Leptocerus angustus, genitalia. 



Fig. 41. — Leptocerus retactus, genitalia. 



Fig. 42. — Leptocerus inornatus, genitalia. 



Fig. 43. — Rhyacophila bipartita, 9 plate below. 



Fig. 44. — Leptocerus futilis, genitalia. 



