#### The People of the State of Illinois ex rel. William H. Heyward, individually and as president of and for the Illinois Diamond Cab Company, appellants, v. William E. Dever, mayor of the city of Chicago, et al., appellees.

Gen. No. 31,160.

Heard in the second division of this court for the first district at the October term, 1926.

Opinion filed March 29, 1927.

E. M. Seymour, for appellants. Francis X. Busch, Corporation Counsel, for appellees; Leon Hornstein and James I. McCarthy, Assistant Corporation Counsel, of counsel.

Mr. Justice Fitch

delivered the opinion of the court.