BACTERIOLOGY. 



(N) GENERAL LABORATORY REQUISITES. 



Siphon Apparatus. Two half-gallon or gallon 

 glass bottles, with siphons connected with long 

 flexible tubes provided with glass nozzles and 

 pinchcocks (Fig. 24), should be employed for the 



FIG. 24. 



SIPHON BOTTLE, WITH FLEXIBLE TUBE, GLASS NOZZLE, AND 

 A MOHR'S PINCHCOCK. 



following purposes : One is used to contain distilled 

 water, with the nozzle hanging down conveniently 

 within reach of the working table ; the other is to 

 contain a solution of corrosive sublimate (i in 1000), 

 and may be placed so that the nozzle hangs close 

 to the lavatory sink or basin. The former replaces 

 the use of the ordinary wash bottle, in washing off 



