LIST OF ILLUSTRATIONS 



FIG. 



1. Amceba proteus ..... 



2. Amoeba polypodia .... 



3. Quadrula, Hyalosphenia, Arcella, Difflugia 



4. Forms of Foraminifera . 



5. Shells of Foraminifera 



6. Actinophrys sol 



7. Actinosphterium eichhornii 



8. Forms of Heliozoa 



9. Liteocircus annularis 



10. Actinomma asleracanthion 



11. Collozoum inerme . 



12. Euglena viridis 



13. Forms of M astigophora 



14. Forms of Choanoflagellata 



15. Forms of Dinoflagellata 



16. Noctiluca miliaris . 



1 7. Volvox globator 



18. Paramoecium caudatum 



19. Forms of Ciliata . 



20. Forms of Tentaculifera 



21. Forms of Ciliata 



22. Vorticella 



23. Monocystis agilis . 



24. Gregarina 



25. Ovum of a sea-urchin 



26. Diagram of maturation and fertilization of ovum 



27. Segmentation of the oosperm 



28. Forms of epithelium 



29. Diagram illustrating the structure of glands . 



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