ILLUSTRATIONS 



PLATE 



1. Nests of Mason-wasp . . . Frontispiece 



FACING PAGE 



2. Cocoons of a Silk-moth .... id 



3. Mixers of Silk and Wood-fibre . . .11 



4. Silken Cocoons ...... 14 



5. Some Scarabs , . . . . '15 



6. Miners ........ 54 



7. Nests of a Mason-wasp .... 55 



8. Yellow-footed Mud-dauber and its Nest . 76 



9. Mud-daubers ...... jj 



10. Nests of Termites or " White Ants " . 86 



11. Termites or "White Ants" ... 87 



12. Nests of Carpenter-bee .... 98 



13. Mines of Elm-boring Beetles ... 99 



14. Borings of a Beetle Grub . . . .118 



15. The Timberman . . . . . .119 



16. A Timber Beetle — Track of a Destroyer . 122 



17. Horn-tailed Wasps . . . . .123 



18. The Leaf-cutter Bee ..... 132 



19. A Huge Honeycomb and its Maker . . 133 



vii 



