[The Rev. Br. Fuller, of Baltimore, hating expressed his spprobatioa of the speech of Mr. Everett, that gentWman, la reply, requested some, information Irom Dr. F., as to the general effect, on ihe condition of slaves, of the agita tion af the subject of slavery, a? it has be* n carried on for Soms years past. The subjoined answer to this inquiry addressed to Air. E, was sent by Br. Fuller through a common friend, by whom we have been permitted to publish it:] lb tk* Ummrnbtt Bewmrd Mrtrttl