LIST OF ILLUSTRATIONS 



VOL. I. 



FIG. PAGE 



1 . Amoeba proteus 10 



2. Amoeba polypodia, fission 13 



3. Alveolar theory of protoplasm 15 



4. Reticular theory of protoplasm 1G 



5. Diagrams illustrating karyokinesis 17 



6. Ovum of Sea-urchin 19 



7. Maturation and fertilisation of ovum ... ... 20 



8. Segmentation of ovum 22 



9. Gastrulation 22 



10. Gastrula .23 



11. Various forms of epithelium 24 



12. Diagram to illustrate structure of glands 25 



13. Gelatinous connective tissue 26 



14. Reticular connective tissue 26 



15. Fatty tissue ... ... .... 27 



16. Hyaline cartilage 27 



17. Fibro cartilage ...... 27 



18. Bone ...... .28 



19. Unstriped muscle 29 



20. Striped muscle 29 



21. Nerve-cells 30 1 



22. Nerve-fibres ... 30' 



23. Various forms of spermatozoa .30' 



24. Viscera of Frog .... 33 



25. Bones of human arm with biceps muscle 37 



26. Nervous system of Frog 38 



27. Hydra . . . 41 



28. Diagram of axes of body 42 



29. Radial symmetry 42 



30. Amoeba, various species . . . 47 



31. Protamoeba primitiva . 49 



32. Quadrula, Hyalosphenia, Arcella, and Difflugia .... 49 



33. Microgromia socialis 50 



b 2 



