LIST OF ILLUSTRATIONS 



Frontispiece 



1. Jansen's Microscope 2 



2. Kingdom of the Protista, diagrammatic 12 



3. Cells of Saccharomyces cerevisia 16 



4. Cells made up of energids 16 



5. Diffuse nuclei of bacteria 17 



6. Nuclei in Cyanophycea 17 



7. Chromidia in protozoa . . 18 



8. Micro- and macro-nucleus in an infusorian 19 



9. Division of micro-nucleus and chondriosomes 19 



16. Formation of chloroplasts 20 



11. Mitochondria developing into amyloplasts 21 



12. Chloroplasts of different forms 21 



13. Metachromatic corpuscles 23 



14. Illustrating cyst and thread membranous walls 24 



15. Organs of locomotion in bacteria 25 



1 6. Division of Spongomonas uvella and Monas termo 26 



17. Transverse section illustrating trichocysts and cilia attachments 26 



18. Schizogony in Amoeba polypodia 27 



19. Sporogony in Saccharomyces cerevisia, B. mycoides and Leucocytozoon lovati. 27 



20. Karyokinesis in Acanthocystis aculeata and Coleosporium senecionis .... 29 



21. Protomitosis in Amoeba mucicola, Amoeba froschi, Euglena splendens, and 



Amoeba diplomitotica 31 



22. Mesomitosis in Pelomyxa palustris, Urospora lagidis, and Galactima succosa. 33 



23. Conjugation in Schizosaccharomyces octosporus 34 



24. Nuclei in mycelium of Thamnidium elegans and Mucor circinelloides. . . .41 



25. Fragments of mycelia of molds with dividing nuclei 41 



26. Filaments of molds showing chondrium 43 



27. Nucleus of Mucor in various stages of division 43 



28. Metachromatic corpuscles in Dematium 44 



29. Metachromatic corpuscles in asci 44 



30. Metachromatic corpuscles in conidia . . . 45 



31. Metachromatic corpuscles in cell of perithecium of Peslularia vesiculosa . . 46 



32. Mucor, general ". 49 



33. Mucor, zygospore 49 



34. Penicillium expansum 52 



35. Aspergillus glaucus 55 



36. Aspergillus fumigatus, A. nidulans - 55 



37. Cladosporium herbarum 57 



38. Spores of Alternaria 57 



39. Fusarium 57 



40. Oidium lactis 58 



41. Monilia Candida 59 



42. Monilia sitophila, oidia in chains 59 



43. Yeast cell 62 



XXV 



