PETERSFIELD].—LECTURE.—On Tuesday evening, the 4th inst., an interesting and instructive lecture was given in the Petersfield British school, in the College-street, subject ‟Columbus, and the discovery of the New World.” The lecturer, Mr. Jackson, went deeply into the subject, and commanded the attention of a respectable audience for upwards of two hours, at the close a vote of thanks was proposed and carried nem. con. and another lecture was announced for Wednesday evening, the 19th inst., in the same room, by the Rev. Joseph Ketley, of Farnham, on ‟Alfred the great.”