ILLUSTRATIONS. 



Page 



1. Comparative figures of a bee and a syrphus, 4 



2. Cell of a queen of the Termites bellicosi, broken 



open in front; the labourers surrounding the queen, 



and carrying off the eggs, ^ 15 



3. Groups of eggs of the rose-leaf roller on a pane of 



glass, 20 



4. Plants of sphcerobulus, natural size, 26 



5. Ditto, magnified view, ib. 



6. Ditto, sectional view, with the seed just previous to 



projection, ib. 



7. Ditto, with the seed in the act of projection, ■ ib. 



8. Ditto, immediately after projection, ib. 



9. Microscopic views of appl«, and pear mould, 80 



10. Eggs of a butterfly and of a moth, magnified, 41 



11. Magnified egg of the angle-shades moth, 42 



12. Sea egg, natural size, ib. 



13. F.gg of the meadow brown butterfl}^ magnified, 43 



14. Egg of the brimstone moth, magnified, ib. 



15. Dung-fly, with its eggs magnified, and mode of depo- 

 sition, 44 



16. Lace- winged fly, and position of its eggs on a twig of 



lilac, 45 



17. Ichneumon fly, with its ovipositor, magnified, 67 



18. Ichneumon flies ovipositing, 58 



19. Generation of ichneumons, seven figures, 62 



20. Magnified view of a parasite fly {Evania apendi- 



gaster), 66 



21. Bee parasite (Sty lops Melittce), 67 



22. Leaf-mining maggots and fly, four figures, 70 



23. Gnatfl forming their egg-boats. 74 



