
    Mathilda Buttner et al., appellants, v. Guy A. Richardson et al., trading as Chicago Surface Lines, appellees.
    Gen. No. 39,080.
    Opinion filed May 4, 1937.
    Winston, Strawn & Shaw, for appellants; George B. Christensen and Douglas C. Moir, of counsel. Frank L. Kriete, Charles E. Green and Arthur J. Donovan, for appellees; John R. Guilliams, of counsel.
   Mr. Justice Friend

delivered the opinion of the court.  