LOTIONS, PURGES, BLISTERS, ETC. 163 



quite the contrary ; similar results are found if cow-pox be the 

 matter used in the experiment. 



" The cost of the readiest materials for the production of 

 chlorine gas is very trifling. The salt is not |d. per pound ; 

 black oxide of manganese but 4d. per pound ; and sulphuric 

 acid l|d. per pound. These are the retail prices. A couple of 

 pounds weight of each would suffice for a large-sized hold. 



"The attention of the customs, shipowners, and veterinary 

 inspectors is directed to the above disinfecting means. 



(Signed) " Hugh Ferguson, 



Her Majesty's Veterinary Surgeon, 

 Principal Government Veterinary Inspector, Ireland." 



