Mr. Seward to Mr. McMath.

No. 11.]

Sir:Your despatches, No. 19, of March 26, and No. 20, of the 2d ultimo, have been received. The statistical information presented in the latter is very interesting, and so much of it as relates to the culture of cotton in the Moorish empire has been communicated to the Department of Agriculture. The question presented in your No. 19, concerning the erection and maintenance of light-house, on Cape Spartel, at the entrance of the Strait of Gibraltar, will be submitted for consideration to the Secretary of the Treasury.

I am, sir, your obedient servant,

WILLIAM H. SEWARD.

Jesse H. McMath, Esq., &c., &c., &c., Tangier.