LIST OF ILLUSTBATIONS 



VOL. I. 



na page 



1. Amoeba proteus 10 



2. Amoeba polypodia, fission 13 



.*!. Alveolar theory of protoplasm 15 



4. Reticular theory of protoplasm 16 



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 20 



14. Reticular connective tissue 20 



15. Fatty tissue 27 



10. Hyaline cartilage 27 



17. Fibro cartilage 27 



18. Bone 28 



l'». (nstriped muscle 29 



20. Striped muscle 29 



21. Nerve-cells 30 



22. Nerve-fibres 30 



23. Various forms of spermatozoa . . . . . . .30 



24. Viscera of. Frog . . 33 



25. Bones of human arm with biceps muscle 37 



20. 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 



6 2 



