The rebel Mason was born and bred in the United States, and has always been a First Family. He says he was going to Europe on account of his health.

The capture of these men, my boy, cannot fail to produce a great sensation in diplomatic circles, and I am informed by a reliable gentleman from Weehawken, that Mr. Seward is preparing a letter to Lord Lyons on the subject. This letter, I learn, will contain some such passages as this:

"I have the honor to say to your lordship, that your lordship must be aware of your lordship's important duty as a Minister to the United States, and I trust that your lordship will pay a little attention to your lordship's grammar when next your lordship addresses your lordship's most obedient servant. Your lordship will permit me to say to your lordship, that your lordship is in no way capable of interpreting the Constitution to your lordship's American friends; and I trust your lordship will not be offended when I state to your lordship, that your lordship will find nothing in the Constitution to compel your lordship to demand your lordship's passport on account of the recent capture of State prisoners from one of your lordship's government's vessels, your lordship."

I read this extract to Colonel Wobert Wobinson, of the Western Cavalry, my boy, and he said its only fault was, that it hadn't enough lordships in it.

"Lordships," says he, "lend an easy grace to State documents, and are as aristocratic as a rooster's tail at sunrise."

The colonel is a natural poet, my boy, and abounds in pleasing comparisons.

The review of seventy thousand troops near Munson's Hill, on Thursday, was one of those stirring events, my boy, which we have been upon the eve of for the past year. A new cavalry company, for the Mackerel Brigade, excited great attention as it went past, and I understand the President said that, with the exception of the horses and the men, it was one of the finest cavalry mobs he ever saw. The horses are a new pattern; fluted sides, polished knobs on the haunches, and a hand-rail all the way down the back. A rebel caught sight of one of these fine animals, the other day, and immediately fainted. It was afterward ascertained that he owned a field of oats in the neighborhood.

Yours, variously,

Orpheus C. Kerr.

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