Dallas Man Tried!n Death of Wifi ------IIDALLAS, Texas, Jan. 11.—Presentation of evidence was scheduled today in the case of W. O. Parker, charged with the slaying of his wife. Mrs, Rosa Lee Parker, and M. M. Gremillion, here lastAugust.Mrs. Parker and Gremillion.” the other man were she* to death in a room over a meat market operated hy Gremillion.Parker is standing trial on the1,scharge of slaying his wife. u1 He entered a plea of not guilty. *i