Chicago, May 3. - WIHiam Wares, formerly a memtaer of the Board of Trade, was found dead in an attic room of the Chicago hotel, in Clark street. A postmortem examination showed that he died of pneumonía. He was 70 years old and was reputed to be worth $100,000. He owned Barron Lake, a wellknown Michigan summer resort. He has lived for the past year in the little room where he died, being seldom seen by his former business friends.