Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the proper accounting officers of the Treasury Department be authorized and directed, in the settlements of the accounts of the forward officers of the late Exploring Expedition, under the command of Charles Wilkes, Esquire, to allow them the extra pay of two hundred and fifty dollars per annum, credited to said officers on the pay-rolls rendered on the arrival of said expedition in the United States, agreeably to the direction of said commander.

Sec. 2. And be it further enacted, That the accounting officers of the Treasury be, and they are hereby, authorized and directed, in the settlement of the accounts of Lieutenant Cadwallader Ringgold, late commanding the United States brig Porpoise, attached to the Exploring Expedition, to allow and credit him in the extra pay for scientific duties, at the rate of one thousand dollars per annum, and upon the principle applied to the accounts of Lieutenant W. L. Hudson, then commanding the United States sloop Peacock, attached to said expedition.

Approved, February 1, 1849.