November 9th.—Colonel Wilmot, R. A., who has come down from Canada to see the army, spent the day with Captain Dahlgren at the Navy Yard, and returned with impressions favourable to the system. He agrees with Dahlgren, who is dead against breach-loading, but admits Armstrong has done the most that can be effected with the system. Colonel Wilmot avers the English press are responsible for the Armstrong guns. He has been much struck by the excellence of the great iron-works he has visited in the States, particularly that of Mr. Sellers, in Philadelphia.