Later from Europe.
arrival of the North Briton.
Flight of the King of Naples.
Portland, dec. 13.--the North Briton, from Liverpool Nov. 29th, has arrived here.
the King of Naples had fled from Gasta.
the other news is unimportant. From Washington.
"Washington, Dec. 13.
--Private letters from prominent citizens of Georgia and Alabama, indicate more favorable sentiments in relation to the maintenance of the Union.
Although no decided action has taken place, there is an evident disposition in many influential quarters to postpone final action on secession and await diplomatic movements arising from the public opinion of the border and central States.
To-day a circular is being carried around by Southern extremists for signatures of Congressmen, to the effect that no resort is left the cotton States but secession, and urging their constituents to prepare for the worst.
The paper was generally signed by the members from the cotton States, but by few members from the border slave States. 