Prospect Union.

The sixth anniversary of the Prospect Union was celebrated last night. The meeting was largely attended and addresses were made by several well-known men. A number of letters from gentlemen unable to attend were read, expressing [interest and appreciation in the work of the Union. Among those present were Col. T. W. Higginson, Professor F. G. Peabody, Representative J. J. Meyers, Professor J. W. Platner, G. G. Wright, John Corcoran, Geo. O. Virtue, and H. W. Foote.