...y General Scott to Colonel Scott to countermand her departure; but it did not reach its destination until after she had gone to sea. The reason for this countermand shall be stated in the language of Secretary Holt , to be found in a letter addressed by him to Mr. Thompson, the late Secretary of the interior, on the 5th of March, 1861, and published in the National Intelligence. Mr. Holt says: "The counte...