152 LOTIONS, PURGES, BLISTERS, ETC. 



in its virulence — quite the contrary ; similar results are found 

 if cow-pox be the matter used in the exjieriment. 



"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 sidphuric 

 acid lid. 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." 



