IIJISTRATIONS. 



Page 



Fig. 1. — Culex pungens : adult 10 



2. — Culex xji.Dgeus : eggs and young larvif 11 



3. — Culex pungens : head of larva 13 



4. — Culex pungens : larva and pupa 15 



5. — Pulex serraticeps : egg. adult, etc 25 



6. — Pulex serraticeps : larva 27 



7. — Cimex lectalarius : adult 32 



8. — Cimex lectularius : egg and young larva 33 



9. — Cimex lectularius : larval stages 35 



10. — Conorhiuus sauguisuga : pupa and adults 39 



11. — Conorhinus sauguisuga: larva and egg 40 



12. — Conorhinus sauguisuga : head, showing mouth-parts 41 



13. — Musca domestica : adult^ puparium^ etc 43 



14. — Musca domestica : larva 45 



15. — Musca domestica : pupa 46 



16. — Scutigera forceps : adult 48 



17. — Scutigera forceps : larva 49 



18. — Bryobia pratcnsis : females and details 51 



19. — Bryohia pratensis: larva 52 



20. — Gryllus domcsticus : adult 53 



21. — Gryllus assimilis : adult 54 



22. — Gryllus assimilis: wings 55 



23. — Anthrenus scrophulariii^ : all stages 58 



24. — Attagenus piceus: all stages 61 



25. — Tinea pellionella : adult and larva •. 63 



26. — Tineola biselliella : adult, larva, and cocoon 66 



27. — Trichophaga tapetzella : adult moth 67 



28. — Termes tiavipes : male and female 70 



29. — Termes flavipes : head of winged female 72 



30. — Termes flavipes : newly hatched larva and egg 73 



31. — Termes flavipes : different forms 74 



32. — Lepisma saccharina : adult 76 



33. — Lepisma domestica : adult 77 



34. — Atropos divinatoria : adult 79 



35. — Lepidocyrtus auiericanus : adult, dorsal ^ iew 82 



36. — Lepidocyrtus americanus: adult, ventral view 82 



37. — Lepidocyrtus americanus: adult, lateral view 83 



38. — Periplaneta americana: adult 84 



39. — Periplaneta americana : egg capsule 89 



40. — Periplaneta australasia' : adult and pupa 91 



41. — Periplaneta oriental is: different forms 92 



42. — Phyllodromia germanica : various stages 92 



43. — Monomorium pharaouis: female and worker 96 



44. — Monomorium miuutum : male, female, and worker 97 



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