1. SCALES FROM THE WINGS OF BUTTERFLIES 1 2. PORTION OF THE WING OF A BUTTERFLY FROM WHICH SOME OF THE SCALES HAVE BEEN REMOVED 2 3. BODY OF A BUTTERFLY--UNDER SIDE 3 4. SECTION OF THE EYE OF AN INSECT 4 5. ANTENNAE OF BUTTERFLIES 5 6. ANTENNAE OF MOTHS 5 7. SECTION OF THE PROBOSCIS OF A BUTTERFLY 7 8. DIAGRAM OF THE WINGS OF A BUTTERFLY 9 9. THE UNDEVELOPED FORE LEG OF A BUTTERFLY 10 10. THE FOUR STAGES OF THE LARGE WHITE BUTTERFLY (_Pieris Brassicae_) 14 11. EGG OF THE MEADOW BROWN BUTTERFLY 20 12. EGG OF THE SPECKLED WOOD BUTTERFLY 20 13. EGG OF THE VAPOURER MOTH 20 14. THE CATERPILLAR OF THE CLOUDED YELLOW BUTTERFLY 22 15. THE CATERPILLAR OF THE DARK GREEN FRITILLARY BUTTERFLY 23 16. THE CATERPILLAR OF THE PURPLE EMPEROR BUTTERFLY 24 17. AN ICHNEUMON FLY (_Cryptus Migrator_) 25 18. ANOTHER ICHNEUMON FLY (_Pimpla Instigator_) 25 19. THE CATERPILLAR OF THE ANGLE SHADES MOTH (_Meticulosa_) 26 20. WALKING LEG OF A CATERPILLAR 28 21. LARVA OF THE YELLOW UNDERWING MOTH (_Pronuba_) 28 22. LARVA OF THE CRIMSON SPECKLED MOTH (_Pulchella_) 28 23. LARVA OF THE LOBSTER MOTH (_Fagi_) 28 24. CATERPILLAR OF THE IRON PROMINENT MOTH (_Dromedarius_) 29 25. LARVA OF THE BRIMSTONE MOTH (_Luteolata_) 29 26. THE CLASPERS OF A CATERPILLAR 30 27. THE HOMES OF LEAF MINERS AND LEAF ROLLERS 33 28. THE COCOON OF THE EMPEROR MOTH 40 29. THE COCOON OF THE SIX-SPOTTED BURNET (_Filipendulae_) 40 30. THE PUPA OF THE PRIVET HAWK (_Ligustri_) 44 31. THE CHRYSALIS OF THE LARGE WHITE BUTTERFLY (_Brassicae_) 44 32. THE PUPA OF THE DARK GREEN FRITILLARY (_Aglaia_) 45 33. THE PUPA OF THE BLACK-VEINED WHITE BUTTERFLY (_Crataegi_) 45 34. THE PUPA OF THE CURRANT MOTH 45 35. PUPA OF THE PALE TUSSOCK MOTH (_Pudibunda_) 45 36. A BUTTERFLY, JUST AFTER EMERGING 50 37. A BUTTERFLY AT REST (LARGE COPPER) 57 38. A MOTH AT REST (GOTHIC) 57 39. A WIRE FRAME FOR A BUTTERFLY NET 65 40. STICK FOR THE NET 65 41. THE METAL Y 66 42. PATTERN FOR THE NET 67 43.