Rock County Agricultural Society.The following is. the present Board of Officers of the Iiock County Agricultural Society and Mechanics' Institute:President—Z. V. BURDICK. Recording Secretary—C. It, Gjrbs. Corresponding Secretary—Gams GittBNSEY. Treasurer—Jo.s:aii F. Wjll.u«,Vice Presidents—John A. Fletcher, John Ak-xnmler, Daniel Bennett, S. F. Chipinan, Peter Me Venn, Levi St. John.Hoard of Directors-— J. P. Wheeler, La Prairie ; W. Lester, Rock ; P. P. Chase, Newark ; J. Kirkpatrick, Soring Valley; Ira Jours, Union; Isaac Miles, Fulton ; J, M.-Luarned, Harmony ; S. Seotf, Jr., Bradford ; Wm. S, Murray, Clinton.; Jonathan Corey, Center ; D, H. Babbit. Janesville ; T. P-Davis, Kirrnony ; A. W. Pope, Janesville; H. S. Woodward, Jr., Beloit; J. Kinney, Jr., Avon ; H, Howard, Magnolia ; H. Stub bins, Poitcr; R. T. Fraser, Milton; F. B. Cook, Johnstown; JUclmrd Dole, Turtle.; JohnChilds, Lbna ; Albert Bemis, Plymouth ; S..G. Colley. Beloit; Joseph Spaulding, Harmony ; Whildoi! Hnghes, Janesville.We are requested to say that the next Quarterly Meeting of the Society will eome off at the Court JJouse, in the City of Janesville, oil the first Monday in June next.