LIST OF ILLUSTRATIONS. 



FIG. PAGE 



1. Staphylococci, ........... 21 



2. Zoogla-a 21 



3. Ascococcus, ............ 21 



4. Streptococci, 21 



5 Tetrads, . . 22 



6. Packets sarciiia, ........... 22 



7. Bacilli, 23 



8. Involution forms, ........... 23 



9. Chains formed by binary division 23 



10. Spirilla, 24 



11. Cladothrix 24 



12. Flagella, 24 



13. Platinum wire in glass handle, 25 



14. Flask for drawing off blood serum, 38 



15. Method of forcing blood serum into test tube 38 



16. Suction pipette, ........... 38 



17. Hot- water funnel 42 



18. Karliuski's agar filter, 44 



19. Unna's agar filter, ........... 45 



20. Glass dishes for preserving potato cultures, 48 



21. Test tube for sterilizing potato, ........ 48 



22. Shape of potato for test-tube culture, 48 



23. Hot air oven, 52 



24. Koch's steam sterilizer, .......... 53 



25. Koch's steam sterilizer, 53 



26. Arnold's steam sterilizer, ... ..... 54 



27. Miincke's steam sterilizer, 54 



28. Koch's apparatus for coagulating blood serum. ..... 56 



29. Miincke s steam sterilizer and coagulator, , . .:.... . . 56 



30. Pasteur Chamberlain filter 57 



31. Pasteur- Chamberlain filter without metal case, 58 



32. Modified Pasteur-Chamberlain filter 59 



33. Erlenmeyer flask 61 



34. Flask used by Pasteur, 61 



35. Platinum wire loop, 62 



36. Platinum needle 63 



37. Sternberg's bulb, 64 



38. Method of making stick culture, 67 



