With two groups slated to bring 250 persons to the coast for the weekend, the Buena Vista Hotel in Biloxi Thursday evening opened its fall season of conventions and business meetings. This weekend’s conventions, which begin Friday, will be the University of Southern Missis sippi Student Leadership Work shop and the Alabama-Missis sippi Area Council of Boys Clubs. The Thursday evening meet ings were the Magnolia Chap ter, Executive Housekeeper Association, and the Gulf Coast Chapter, American Institute of Banking. Keith Kistner, executive di rector of the Biloxi Boys Club which will host that convention, said approximately 150 persons from Alabama and Mississippi are expected to attend, with registration beginning at 4 p.m. Friday. A seafood jamboree will be held at the Boys Club in Biloxi Friday evening. Guests will in clude local officials as well as lay workers from the bi-state area. Workshops will be held Satur day morning at the Buena Vis ta. The first of these, conducted by Joseph Locke of Mobile, will treat “Obligations of a Board Member to His Boys Club.” Charles Carmichael of Jackson will lead the second workshop on ‘How to Work with Local Government. Later, James Crawford, At lanta, Boys Clubs regional field representative, will discuss con stitutional changes, and changes in membership requirements. District Attorney Boyce Holle man will be the featured speak er at a luncheon beginning at 1 p.m. This convention will ad journ following a final business session which will begin at 2 p.m. The USM leadership confer ence will open with registration at 6 p.m. Friday, followed at 8 p.m. by a workshop session in the hotel’s Fountain Terrace. Saturday’s program will open with a continental breakfast at 8:30 a.m., and workshops and a general session will be held throughout the day, climaxed by a seafood jamboree at 6 p.m. at the motel pool patio. A general luncheon will be held at noon Sunday, followed by the final session which be gins at 2 p.m.