
    No. 724.
    Dusch et al. v. Davis et al.
    
      Archibald G. Robertson for appellants.
    
      Henry E. Howell, Jr., for appellees.
   Appeal from C. A. 4th Cir. Further consideration of question of jurisdiction in this case postponed to hearing of case on the merits. Case placed on summary calendar and set for argument immediately following No. 491. In addition to the merits of case, counsel directed to brief and present oral argument on question whether a three-judge court should have been convened.  