92 METHODS OF CULTIVATION OF BACTERIA. 



of organs containing virulent bacteria, the hands should 

 be previously dipped in i-iooo mercuric chloride and 

 allowed to remain wet with this solution. No food ought 

 to be partaken of in the laboratory, and pipes, etc., are 

 not to be laid with their mouth-pieces on the bench. No 

 label is to be licked with the tongue. Before leaving the 

 laboratory the bacteriologist ought to wash the hands and 

 forearms with i-iooo mercuric chloride and then with 

 yellow soap. In the case of any fluid containing bacteria 

 being accidentally spilt on the bench or floor, i-iooo 

 mercuric chloride is to be at once poured on the spot. 

 The air of the laboratory ought to be kept as quiet as 

 possible. 



