Mr. Seward to Mr. Dayton.

No. 66.]

Sir: Some unaccounted for obstruction of the mails has caused a delay in the receipt of your despatch of the 7th of September (No. 44) until this time.

As I expected, you very properly anticipated my instructions on the subject of the conditional execution of the treaty proposed by Mr. Thouvenel, and your proceedings in that respect are entirely approved.

I am, sir, your obedient servant,

WILLIAM H. SEWARD.

William L. Dayton, Esq., &c., &c., &c.