She is Declared Insane, Strange Hallucinations of the Demen ted Lady. [Special Dispatch to the Globe-Democrat J Cutcaco, May 19.—Mary Lincoln, wid ow of the martyr president, was adjudged insane by the Cook County Court, this afternoon. ‘The strictest secrecy had been maintained respecting the affair, and very few persons besides those directly inter ested were In attendance. ‘The proceed ings were at the Instance of her son, Rob ert Lincoln. The unfortunate lady ap peared in court neatly attired in the deep est mourning, and requested Isaac N. Arnold, one of Mr. Lincoln’s foreign ministers, to act as her attorney. A jury was chosen from among the most intelli gent citizens, Congressman Farwell be ing one. The testimony left no room to doubt THE LADY’S INSANITY. Her family physicians expressed their opinion as positive, and were corroborated by employes of the hotel at which Mrs. Lincoln has boarded, and several others. The mania had assumed several phases, the chief of which was a desire to purchase an extravagant wardrobe, for which the lady had no use. Her closet was literally so filled with unopened packages of silks, laces and like articles of dress that it was impossible to close the doors. She also labored under the hallucination, that Chi cago was about to be burned again, and drew fifty-seven thousand dollars worth of bonds she had deposited at a bank,and carried them about her person for safety. She also lived in constant terror of per sonal injury from the rebels and other imaginary enemies. ArL army of jewelers, dry zoadsmen and other tradesmen ap peared in court to testify to her oddities. A trunk-maker swore to her having pur chased of him a large number of trunks and valises which she could not possibly use. ‘ROBERT LINCOLN thought It.unsafe ‘to permit her further freedom. ‘The jury, after a very short deliberation, found:‘her insane, and a fit subject for an ‘asylum, ‘Mrs. Lincoln {s not fifty-six years of are.er mind has doubtless been diseased’ for several years. Since her ‘residence ‘in ‘Chicago, Which covers'a period of eight years, her con duct has always‘ been considered remark able. She will’be'sent to'a'private asylum at Batavia, Jr. to-morrow morning. In 1859 Charles E. Parker, who was a prosperous tailor in Bullt, Wis. , thought he, was'not making money fast enough, and'went West. He left’ in Beloit a wife hd: three: little children—two daughters ‘a son. He promised’them a fortune, and ‘went of into the wilds of Colorado with $2,000. In his‘pocket‘as a nest-ege. He never had so much ‘Money again. He followed the reports of new mines in new