70 BACTERIOLOGY. 



bolic acid ; milk of lime, and a solution of chlorinated 

 lime ("chloride of lime"), containing not less than 0.25 

 per cent, of free chlorine. The chloride of lime from 

 which such a solution is to be made should be fresh and 

 of good quality. Good chloriuated lime, as purchased 

 in the shops, should contain not less than 25 to 30 per 

 cent, of available chlorine. The materials to be dis- 

 infected in either of the lime solutions should remain 

 in them for about two hours. The solutions should be 

 freshly prepared when needed, as they rapidly decom- 

 pose upon standing. 



Antiseptic. An antiseptic is a body which, by its 

 presence, prevents the growth of bacteria without of 

 necessity killing them. A body may be an antiseptic 

 without possessing disinfecting properties to any very 

 high degree, but a disinfectant is always an antiseptic 

 as well. 



