LIST OF ILLUSTRATIONS IN TEXT. 



FIO. PAGE 



1. Forms of bacteria . . . . .13 



_'. I lot-air steriliser ... .28 



:}. Koch's steam steriliser . . . . 28 



4. Autoclave . . . . . . .30 



5. Steriliser for blood serum . . . . .31 



6. Meat press ....... 32 



7. Hot-water funnel ...... 36 



8. Blood serum inspissator . . . . .41 



9. Potato jar . . . . 45 



10. Cylinder of potato cut obliquely . . . .45 



11. Ehrlich's tube containing piece of potato . . .46 



12. Apparatus for filling tubes '\ . . . .53 



13. Tubes of media . . . . . .53 



14. Platinum wires in glass handles . . . .54 

 I."-. Method of inoculating solid tubes .... 55 



16. Rack for platinum needles ..... 56 



17. Petri's capsule . . . . . . . 57 



1 x . Koch's levelling apparatus for use in preparing plates . . 58 



19. Koch's levelling apparatus . . . . .58 



20. Esmarch's tube for roll culture . ... . .60 



21. Apparatus for supplying hydrogen for anaerobic cultures . 63 



22. Esmarch's roll-tube adapted for culture containing anaerobes . 64 



23. Bulloch's apparatus for anaerobic plate cultures . .64 



24. Flask for anaerobes in liquid media . . . .67 



25. Flask arranged for culture of anaerobes which develop gas . 68 



26. Tubes for anaerobic cultures on the surface of solid media . 68 



27. Slides for hanging-drop cultures . . . .69 



28. Apparatus for counting colonies . . . .70 



29. Wright's 250 c.mm. pipette fitted with nipple . . 71 



30. Geissler's vacuum pump for filtering cultures . 75 



31. Chamberland's candle and flask arranged for filtration . 75 

 :; < ,'h ^label-land's bougie with lamp funnel . ... 76 



