
    Frank J. Hopkins, appellee, v. Thomas J. Houston et al., appellants.
    Gen. No. 33,852.
    Opinion filed April 22, 1930.
    Rehearing denied May 5, 1930.
    Samuel A. Ettelson, Corporation Counsel and Francis J. Vurpillat, Assistant Corporation Counsel, for appellants. No appearance for appellee.
   Mr. Justice Gridley

delivered the opinion of the court.  