“ An American statesman and diplomat. He was born in Philadelphia, the son of Alexander J. Dallas; graduated at Princeton in 1810; and accompanied Mr. Gallatin in his special embassy to Saint Petersburg, as private secretary. On his return he practiced law and successively filled, for his native city, the offices of deputy attorney-general, mayor, and district attorney. From 1831 to 1833 he represented Pennsylvania in the United States Senate, and from 1833 to 1835 was Attorney-General of Pennsylvania. ”