..., Jr., C. G. Loring, and R. H. Dana, Jr., sought to secure the negro's liberty by writs of habeas corpus, bringing him before the Supreme Court of the State and the District and Circuit Courts of the United States , but without avail. The commissioner gave a certificate of rendition, and the negro was taken by three hundred armed policemen to Long Wharf, and put on board the brig Acorn, owned by John H. Pears...