"That in 1806, I communicated by the first mail after I had got knowledge of the fact, the supposed plans of Burr in his western expedition; upon which communication your council was first called together to take measures in relation to that subject." Not exactly on that single communication; on the 15th and 18th of September, I had received letters from Colonel George Morgan, and from a Mr. Nicholson of New York, suggesting in a general way the manœuvres of Colonel Burr. Similar information came to the Secretary of State from a Mr. Williams of New York. The indications, however, were so vague that I only desired their increased attention to the subject, and further communications of what they should discover. Your letter of October 16, conveying the communications of General Eaton to yourself and to Mr. Ely gave a specific view of the objects of this new conspiracy, and corroborating our previous information, I called the Cabinet together, on the 22d of October, when specific measures were adopted for meeting the dangers threatened in the various points in which they might occur. I say your letter of October 16 gave this information, because its date, with the circumstance of its being no longer on my files, induce me to infer it was that particular letter, which having been transferred to the bundle of the documents of that conspiracy, delivered to the Attorney General, is no longer in my possession. Your mission of Mr. Pease on the route to New Orleans, at the time of that conspiracy, with powers to see that the mails were expected, and to dismiss at once every agent of the Post Office whose fidelity could be justly doubted, and to substitute others on the spot was a necessary measure, taken with my approbation; and he executed the trusts to my satisfaction. I do not know however that my subsequent appointment of him to the office of Surveyor General was influenced, as you suppose, by those services. My motives in that appointment were my personal knowledge of his mathematical qualifications and satisfactory informations of the other parts of his character.