Special Message

To the Senate of the United States:

I herewith communicate to the Senate, for its consideration, a convention signed on the 2d day of May, 1846, by the minister of the United States at Berlin with the plenipotentiary of Hesse-Cassel, for the mutual abolition of the droit d'aubaine and duties on emigration between that German State and the United States; and I communicate with the convention an explanatory dispatch of the minister of the United States dated on the same day of the present year and numbered 284.

JAMES K. POLK.