Gentlemen of the Senate:
The governor of New York has desired that, in addition to the negotiations with certain Indians already authorized under the superintendence of John Taylor, further negotiations should be held with the Oneidas and other members of the Confederacy of the Six Nations for the purchase of lands in and for the State of New York, which they are willing to sell, as explained in the letter from the Secretary of War herewith sent. I have therefore thought it better to name a commissioner to superintend the negotiations specified with the Six Nations generally, or with any of them.
I do accordingly nominate John Taylor, of New York, to be commissioner for the United States, to hold a convention or conventions between the State of New York and the Confederacy of the Six Nations of Indians, or any of the nations composing it.
This nomination, if advised and consented to by the Senate, will comprehend and supersede that of February 1 of the same John Taylor so far as it respected the Seneca Indians.
Thomas Jefferson, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/203951