MRS. DUNCAN MAC MARTIN, popular Chicago society woman, author and poet, wife of the house physician of the Great Northern Hotel, who has surprised her friends by suing for divorce at Coeur d'Alene, Idaho.IS SUED BY POET WIFEChicago Society Woman and Author Charges Great Northern Hotel Physician With Unnamed Acts of Extreme Cruelty.Popular Hostess Surprises Friends by News of Separation; Lavish Entertainments Here and West Created Furore.inSUNDAY. CHICAGO, NOVEMBEi“Social Vagrant/’ Fined, Ends His LifeLONG BEACH, Cal., Nov. 14.—Accused of being a “social vagrant,” John E. Lamb, wealthy bachelor, director of the Long Beach Savings Bank and a vestryman in St. Luke’s Episcopal Church, to-day committed suicide. He left a note protesting his innocence of charges brought against him by the police.The police say Lamb and four other prominent business and church men were secretly lined on charges of being “social vagrants.”Fearing that other suicides might follow, the city health authorities notified all druggists not to sell poisons of any description until further notice.Would Jail HusbandGirl Slayer Blames Poverty for VerdictWe defended ourselves against a man who sought our lives, but the jury says mamma and I are guilty of manslaughter and that my brother is a murderer. The fact is I ammerely a plain, homely Italian girl. I have no fine diamonds or costly gowns to wear, so I am guilty. The reason is plain.”This was the bitter arraignment of the verdict against her, made yesterday by Anna Forte, who, with her mother, Mrs. Pasquale Forte, was convicted of manslaughter in the killing of Antonio Morasco, the girl’s former suitor.Pasquale Forte, her brother, was sentenced to fourteen years in prison for murder. Mrs. Gertrude Howe Britton and others will try to have the terms of the two women made as light as possible. They have not been sentenced.Mrs. Laura Mae MacMartin, Chicago society woman, author, poet, philanthropist and traveler in Alaska, has filed a suit for divorce against Dr. Duncan H. MacMartin, house physician of the Great Northern Hotel, in the District Court in Coeur d’Alene, Idaho.The suit comes as the climax of the lavish entertainments given by Mrs. MacMartin during the six months of her residence in the Idaho town, and the news of it probably will be the first intimation to many of her friends of the MacMartins in Chicago that they have reached the parting of the ways.Extreme cruelty and abusive language in the presence of women friends whom Mrs. MacMartin names, are a few of the charges she makes. No instances of any of the offenses charged are given.STAVING IN SPOKANE.The existence of the suit was not known until last night, though it was filed a week ago. Every effort had been made to keep the matter a se-chet until the court hearing.Mrs. MacMartin, according to dispatches from Spokane, Wash., where she was staying last night with friends, refused to discuss her suit. The clerk of the court at Coeur d’Alene refused to allow an inspection of the complaint.The MacMartins w’ere married at Stevens Point. Wis., in 1907, and for the last four years they have lived apart, though few even of her most intimate friends guessed that they had separated permanently. Mrs, MacMartin had been su6h an extensive traveler that her absence from her husband was not specially noted. POPULAR CHICAGO HOSTESS.In Chicago she was very active in social matters, often acting as hostess to opera parties and at receptions, but finding time, too, to aid in raising funds for the Chicago Hospital Day Association and other charitable work.Members of the social colony of Spokane who spend their Summers at Coeur d’Alene welcomed Mrs. MacMartin with open arms six mopths ago and she entered upon a series of lavish entertainments. She maintained a large establishment on the shores of the lake, where her suppers and w'eek-end parties created a furore. Her nervous eccentricities, which are said to have been, pronounced, also caused much comment.Dr. MacMartin was not at the Great Northern Hotel last night.Talk of Mayor's ,TohStrangler Old Haze on Fi