22

FIG. 14. CASTOR-BEAN TICK (_Ixodes ricinus_) 28

FIG. 15. TEXAS FEVER TICK 28

FIG. 16. TEXAS FEVER TICK (_Margaropus annulatus_) 29

FIG. 17. _Amblyomma variegatum_ 29

FIG. 18. _Ornithodoros moubata_ 36

FIG. 19. THE FOLLICLE MITE (_Demodex folliculorum_) 36

FIG. 20. ITCH-MITE (_Sarcoptes scabiei_) 37

FIG. 21. HARVEST-MITES OR "JIGGERS" 37

FIG. 22. HORSE-FLY (_Tabanus punctifer_) 44

FIG. 23. STABLE-FLY (_Stomoxys calcitrans_) 44

FIG. 24. A BLACK-FLY (_Simulium sp._) 45

FIG. 25. SCREW-WORM FLY (_Chrysomyia macellaria_) 45

FIG. 26. BLOW-FLY (_Calliphora vomitoria_) 45

FIG. 27. BLUE-BOTTLE FLY (_Lucilia sericata_) 50

FIG. 28. FLESH-FLY (_Sarcophaga sp._) 50

FIG. 29. "THE LITTLE HOUSE-FLY" (_Homalomyia canicularis_) 51

FIG. 30. HORSE BOT-FLY (_Gastrophilus equi._) 51

FIG. 31. OXWARBLE FLY (_Hypoderma lineata_) 51

FIG. 32. SHEEP BOT-FLY (_Gastrophilus nasalis_) 51

FIG. 33. CHIGO OR JIGGER-FLEA, MALE (_Dermatophilus penetrans_) 54

FIG. 34. CHIGO, FEMALE DISTENDED WITH EGGS 54

FIG. 35. BEDBUG (_Cimex lectularis_) 55

FIG. 36. BODY-LOUSE (_Pediculus vestimenti_) 55

FIG. 37. ONE USE FOR THE HOUSE-FLY 57

FIG. 38. THE HOUSE-FLY (_Musca domestica_) 58

FIG. 39. HEAD OF HOUSE-FLY SHOWING EYES, ANTENNAE AND
MOUTH-PARTS 60

FIG. 40. PROBOSCIS OF HOUSE-FLY, SIDE VIEW 60

FIG. 41. LOBES AT END OF PROBOSCIS OF HOUSE-FLY SHOWING
CORRUGATED RIDGES 61

FIG. 42. WING OF HOUSE-FLY 61

FIG. 43. WING OF STABLE-FLY (_Stomoxys calcitrans_) 62

FIG. 44. WING OF HOUSE-FLY SHOWING PARTICLES OF DIRT
ADHERING TO IT