Etilwáukee, May ÍS. - Persons who are investigatiiig the mysterious death cf N. B. Clark, the Grand Rapids, Mich., man whose body was found on Ivannce place, betvveen Lake and Terrace ave nues, Saturciay morning last. promise that the mystery will probably be cleared up within the next twenty-four hours. The developments Monday were sueh that nis Masonic friends in this city became convincèd beycnd a doubt that he was rnurdered, but before proceeding to bring the guilty persons te juttice the relatives of the murdered man, they say, will be consulted, and if they sanction making public the facts that have come to light, all the circumstances surrounding Clark's death will be made known. Enough evidence has been gathered by Mr. Clark's friends in this city to convince them that a woman figures prominently in the case. It is said the name of the woman is in the possession of the persons conducting the investigation independent of the pólice, who still maintain that Mr. Clark committed suicide. His movements Friday night have been traced in part until two hours before he was shot, and it is known that he was with a woman several hours before his death. He has been traced with the woman within a few blocks of where the body was found, and his friends hope to secure evidence which will enable them to place the faots before the district attorney.