THATthere be issued, under the direction of the Secretary of the Treasury, a register to each of the Spanish Steam vessels Tridente and Cetro for the purpose of enabling them to be employed in a line of Ocean Steamships to run between the ports of New York, Havana, New Orleans and Vera Cruz, touching at Key West or any other intermediate port in the United States, if found desirable, on the same footing as vessels of the United States; Provided, That the said steam vessels shall be officered & manned by and be under the entire control of, citizens of the United States, and that the profits arising from the employment of said vessels shall belong to them, and provided also, That the privileges conferred by this act Shall be able to supply the place of the above named Spanish Steam vessels by Steam vessels built in the United States, and that said privileges shall, in no event, continue beyond the period of two years from the passage of this act.