LIST OF ILLUSTRATIONS. 



FIG. PAGE 



1. Colorless blood-cell n 



2. Typical cell ovum of cat 12 



3. Structure of the cell . . 13 



4. Cells exhibiting the paranucleus (Plainer) 14 



5. Segmenting ova of ascaris megalocephala ( Boveri) 14 



6. Direct cell-division of colorless blood-corpuscle 15 



7. Karyokinesis diagram of close skein (Rabl- Schiefferdecker) 16 



8. Karyokinesis diagram of loose skein ( Rabl- Schiefferdecker) 16 



9. Karyokinesis diagram of polar field (Rabl- Schiefferdecker) 17 



10. Karyokinesis diagram of migration of segments (Rabl) 18 



11. Karyokinesis epidermal cells from larva of newt 19 



12. Segmenting ova, showing centrosomes and attraction-spheres (Boveri) . 20 



13. Large marrow-cell with multiple nuclei 20 



14. Maturation and fecundation of ovum ( O. Hertivig) 22 



15. Blastodermic layers of rabbit embryo 24 



16. Squamous epithelium 28 



17. Stratified squamous epithelium in section 28 



18. Isolated cells of stratified squamous epithelium 28 



19. Prickle-cells from epidermis 29 



20. Simple columnar epithelium 29 



21. Stratified columnar epithelium 29 



22. Ciliated epithelium . 30 



23. Isolated elements of ciliated epithelium 30 



24. Goblet-cells 31 



25. Pigmented epithelium 31 



26. Glandular epithelium 32 



27. Rod-epithelium (Heidenhain and Schiefferdecker^ 32 



28. Isolated neuro-epithelium 32 



29. Endothelium 33 



30. Endothelium showing stomata 34 



31. Young connective-tissue cell 36 



32. Embryonal connective tissue 36 



33. Subcutaneous areolar tissue 37 



34. Special connective-tissue elements 37 



35. Pigmented connective-tissue cells 37 



36. Pigment-cell 38 



37. Plate-like connective-tissue cells 38 



38. Cell-spaces of dense connective tissue 38 



39. Branched connective-tissue cells 38 



40. White fibrous tissue 39 



41. Elastic fibres isolated (Schiefferdecker) 39 



42. Young connective-tissue cells 40 



43. Tendon in transverse section 41 



