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 14d. 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."