THE UTENSILS OF THE CULTIVATION OF BACTERIA. 65 

 FIG. 23. FIG. 24. FIG. 25. 



Moist chamber with a knob on the Wooden filter-stand. Iron stand with 



upper dish. rings. 



FIG. 26. 



Iron tripod with water-bath. 

 FIG. 27. 



Wire baskets. 

 5 M B. 



