LIST OF ILLUSTRATIONS. 



FIG. PAGE. 



1. Micrococci, Bacilli, Spirilla 14 



2. Test-tube with Culture-medium 17 



3. Microscope 30 



4. Abbe Condenser 31 



5. Platinum Wires 33 



6. Hanging-drop 34 



7. Cornet Forceps for Cover-glasses 37 



8. Stewart Forceps for Cover-glasses 38 



9. Kirkbride Forceps for Slides 38 



10. Schanze Microtome <o 



11. Hot-air Sterilizer 62 



12. Arnold Steam Sterilizer 64 



13. Massachusetts Board of Health Sterilizer 65 



14. Koch Steam Sterilizer 66 



15. Autoclave 68 



1 6. Kitasato Filter 69 



17. Test-tube with Potato 78 



1 8. Wire Basket for Test-tubes 82 



19. Manner of Holding Test-tubes 85 



20. Stab-culture 86 



21. Smear-culture 86 



22. Incubator 88 



23. Reichert Gas-regulator 89 



24. Gas-regulator 89 



25. Koch Automatic Gas-burner 90 



26. Buchner's Method for Cultivating Anaerobes 92 



27. Frankel's 93 



28. Novy's 94 



29. Cover-glass as used to Distinguish Anaerobes from Aerobes 95 



30. Petri Dish 98 



31. Dilution-cultures in Esmarch Roll-tubes facing 99 



32. Appearance of Colonies on Gelatin in a Petri Dish facing 99 



33. Esmarch's Roll-tube 100 



34. Mouse-holder 103 



35. Apparatus for the Subcutaneous Insertion of Solid Substances.. .. 104 



xiii 



