The third session of this bodv oonvenea at St. Louis, Missouri, on Monday, May 27tli, onder the auspices of tho St. Louis Agrie ultnrnl and Mecbaaical Association. Doïegates are bcing appointed in all seotions of tho country, and tho prospecta tbr a full attondance and an interesting meeting, are most fiattering. Societíes in ovory df partment of agriculturo are entitled to send delegates upon a basis of ono for eaoh fifty of its members. Tho. Secretary, Mr. Chas. W Grocno, of Jaekson, Tenn., will iurnish any information desirod. We would adviso om local societies to bc represented.