Anti-Slavery.—An address has been issued, signed by Joseph J. Gurney, Joseph Sturge, and other anti-slavery advocates, recommending the relinquishment of the use of American cotton, Carolina rice, tobacco, and other slave-grown produce. It announces, that an attempt is being made to obtain a supply of articles manufactured exclusively from cotton, the produce of free labour, which will be distinguished by marks to show their genuineness.Great Anti-Slavery Meetinq in Glasgow.—A public meeting of the members and friends of the Glasgow Emancipation Society, was held on Thursday evening in the City-hall, to hear a lecture on American slavery, by Frederick. Douglass, a self-liberated slave from the United States. The meeting was large and respectable.Porno.Au TAT______w. —