The Abductloa.of Mnry JHneffay.SPitrxGFiEhD, III?., Sept.' 14.—William Desper of Long Prairie was arrested far being an accomphce in the late abduction of Mary Jane Hay.' Tbegirl bad entered proceeding*, against ; her uncle,'Mack Youstler, for $10,000 damages, . The trial was to have come off. last, month,.. The plaintiff was spirited away. Reports from St. Louis sty she married' William Des-per’s son and went to Cauada. Thh arrest of the old man was made-with the intent of compelling him to either produce the girl or tell where she is. '