Show YACHT CONTESTS TODAY CHICAGO Aug 18 Seven Soven Seven yachts representing tho the Columbia Chicago and Jackson Jacklon Park clubs will contest this af af- af in the first o of a series of three races for tho the Sir Tho J Thomas Rs Lipton cup Th The Tho present races mark tho eighth an annual annual annual nual renewal of the tho event which it is open to but one ono class the class tho twenty one foot cabin Today's race will b be over overa a triangular course courso while whilo tomorrow will wil willbe wilbe be to windward and sud leeward leoward with a I four cornered run on Saturday S I |