LIST OF ILLUSTRATIONS 



COLOURED PLATES 



1. BRITISH BUTTERFLIES ...... Frontispiece 



2-7. DITTO ....... 



8. LARV.E AND PUP.E OF BRITISH BUTTERFLIES 



9. SPHINGES ...... 



10. BOMBYCES ....... ' ' ' Atend 



11. 



12. NOCTUA AND GEOMETRY 



Full references accompany the Plates. 



ILLUSTRATIONS IN THE TEXT 



ViG. PAGE 



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 FOBE LEG OF A BUTTERFLY . . 10 



10. THE FOUR STAGES OF THE LARGE WHITE BUTTERFLY (Pieris 



Brassicte) .... ... 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 



