Appeal from Sup. Ct. Miss.; and

C. A. 5th Cir. Motion of Mississippi Band of Choctaw Indians for leave to file a brief in No. 77-575 as- amicus curiae granted. In No. 77-575, further consideration of question of jurisdiction postponed to hearing of case on the merits. In No. 77-836, cer-tiorari granted. Cases consolidated and a total of one hour allotted for oral argument. Reported below: No. 77-575, 347 So. 2d 959; No. 77-836, 560 F. 2d 1202.