
    No. 492.
    Birnbaum et al., a partnership under the name of Birnbaum & Co., et al. v. Chicago Transit Authority et al.
    
      Barnabas F. Sears for petitioners.
    
      Werner W. Schroeder for the Chicago Transit Authority; and Claude A. Roth, Tappan Gregory, Henry F. Tenney and J. Arthur Miller for the Bondholders' Protective Committees, respondents.
   C. C. A. 7th. Certiorari denied.  