LIST OF ILLUSTRATIONS 



FIGURE 



j i. The Scallop-Shell .... 



2. Limpets and Periwinkles 19 



3. Diagram of A maba 35 



4. Section of Hydra 36 



5. Diagrammatic Section of Earthworm ... 38 



6. Diagram of a Gastrula 41 



7. Diagram of a Trochosphere 42 



8. Shells of Radiolariaas (Polycystina) .... 47 



9. A Coralline 58 



10. Gorgo^ia 59 



11. Morals 60 



>2. Marine Worms 73 



13. A Centipede 77 



14, 15. Shells of Barnacles 79 80 



16. Hermit Crabs 81 



17. A Land Crab 82 



18. A Sand-hopper 83 



19. A Spider 84 



20. Nest of Trap-door Spider 85 



21. Galeodes 86 



22. A Tick 87 



83. A Scorpion 88 



24. Larvse of Insects 9 



25. Larva of the Bee 92 



26. Ants 92 



7 



