Mr. Seward to Mr. Dayton

No. 680.]

Sir: On the 7th instant I submitted to the Secretary of Navy, for his concurrence, the draught of my despatch to you (No. 675) relative to the adoption of precautionary measures in regard to the two clipper ships at St. Nazaire believed to be building for the insurgents.

I now give you a copy of Mr. Welles’s reply of the 10th instant, together with a copy of his instructions to Commodore Craven, of the Niagara, and Captain Walke, of the Sacramento.

I am, sir, your obedient servant,

WILLIAM H. SEWARD.

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

Mr. Welles to Mr. Seward

Sir: I herewith return the draught of a despatch proposed to be sent to Mr. Dayton, which accompanied your letter of the 7th instant, concerning the two clipper ships at St. Nazaire believed to bet building for the insurgents.

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The department is gratified to express its full concurrence in the precautionary measures indicated, and instructions will be given to our naval officers in European waters on the subject.

Very respectfully,

GIDEON WELLES, Secretary of the Navy.

Hon. William H. Seward, Secretary of State.

P. S.—I herewith enclose copy of instructions given to Commodore Craven, of the Niagara, and Captain Walker, of the Sacramento.

Mr. Welles to Commodore Craven

Sir: From information received from a reliable source it appears that there are two clipper ships building at St. Nazaire, France, well adapted for war purposes, and there is good reason to believe that they are designed for the insurgents. Should these vessels be permitted to leave port under such circumstances as to warrant the belief that they are to make war against the United States, you will not hesitate to seize them and send them into one of our ports for adjudication.

The department desires you to place yourself in communication with our minister at Paris, Mr. Dayton, respecting these vessels, and regard any suggestions of his concerning them.

Very respectfully, &c.,

GIDEON WELLES, Secretary of the Navy.

Commodore T. T. Craven, Comd’g U. S. S. Niagara, care of Hon. Mr. Dayton, Paris.