52 



PHARMACEUTICAL BACTERIOLOGY. 



lower end of which a pledget of absorbent cotton has been wound and 

 firmly tied by means of thread. This is placed in a test-tube, which is then 

 plugged with cotton and sterilized in the dry sterilizer (one hour at a tempera- 

 ture of 140° C.) The physician wipes the cotton end of the swab over the 

 suspected throat area, and then lightly rubs it over the surface of the serum 



Fig . 26 . — ^Hot water funnel with stand 

 and ring gas burner. 



Fig. 27. — Hot water funnel 

 with stand. 



tube slant. The swab is returned to the tube, the cotton plug is restored 

 and then returned to the board of health to be destroyed in stove or 

 furnace fire, or destroyed by the attending physician in case there is no 

 board of health to recieve it. 



Fig. 28. — Glass rods with platinum wire, straight and loop, for inoculating culture tubes, 

 Petri plates, etc. — (WiUiams.) 



7. Making Bacterial Cultures. 



This branch of the science of bacteriology is of comparatively little 

 importance to the pharmacist. While it is desirable to know what bacterial 

 cultures are and how to make some of them, it is wholly unlikely that the 

 pharmacist will be called upon to do extensive work along this line. This is 



