DISINFECTION 519 
the destruction of the bacterium of tuberculosis he found carbolic acid 
and the other coal-tar products very efficient, especially when acidu- 
lated with hydrochloric acid. For this purpose he recommended 
especially Laplace’s 4 per cent. solution of crude carbolic acid with 
two per cent. of hydrochloric acid. In the hands of Jeger, the power 
to destroy anthrax spores with certainty has been shown only by 
solutions of carbolic acid and the thick chloride of lime mixture. 
A thick milk of lime applied once with a brush Jaeger found efficient 
in the destruction of the microdérganisms of chicken cholera, swine 
erysipelas, typhoid fever, glanders, anthrax (without spores) and 
Micrococcus pyogenes. 
Giaxa, in a similar line of work to that of Jeeger’s, found that in the 
disinfection of walls even a five per cent. lime wash acting forty-eight 
hours failed to destroy anthrax spores, the bacterium of tuberculosis 
and the bacillus of tetanus. 
A strong solution of the chloride of lime may be classed as one of 
the rapidly acting disinfectants for most bacteria, but Jeeger’s report 
of its failure when applied to the disinfection of tuberculosis and glan- 
ders should be borne in mind. For the cleansing of cattle cars Gruber 
advises scrubbing them out with hot water or washing with a two per 
cent. solution of soda at 50° C. If the cars are infected, he sprays 
with a 5 to 10 per cent. solution of formaldehyde. 
Disinfectants of value in the disinfection of stables and pens. For 
disinfecting pens, stable floors and the like the following solutions 
have been recommended and their careful and intelligent use has 
shown them to be very efficacious. 
Corrosive sublimate (mercuric chloride) 1 ounce in 8 gallons of water 
(one-tenth of 1 per cent). The water should be put into wooden tubs 
or barrels and the powdered sublimate added to it. The whole must 
be allowed to stand for some hours, with frequent stirring, so as to 
give the sublimate an opportunity to become entirely dissolved. 
Since this solution is very poisonous, it should be kept covered and 
well guarded. It may be applied with a broom or mop and should be 
used freely on all woodwork. It combines with albuminous substances 
and consequently when used the floor and sidings should be cleaned 
by sweeping and scraping. Its very poisonous nature renders it less 
desirable for general use than some other solutions. 
Carbolic acid. A 5 per cent. solution of carbolic acid is one of the 
best disinfectants for mangers, feed boxes and fixed watering basins. 
