In the Circuit Court of Cook County, city of Chicago, a municipal corporation, complainant, vs. William L. O'Connell, as chairman, Owen P. Thompson, Richard Yates, Walter A. Shaw and Frank H. Funk, individually and as members of the State Public Utilities Commission of the state of Illinois : and the State Public Utilities Commission of the state of Illinois, the Chicago City Railway Company, the Chicago Railways Company, the Calumet & South Chicago Railway Company, and the Southern Street Railway Company, defendants, bill in chancery : Chicago City Railway Company, Chicago Railways Company, Calumet and South Chicago Railway Company and the Southern Street Railway Company, cross complainants, vs. city of Chicago, the State Public Utilities Commission of the state of Illinois : and William L. O'Connell, Owen P. Thompson, Richard Yates, Walter A. Shaw and Frank H. Funk, individually and as members of said State Public Utilities Commission, cross defendants, cross bill : no. B15489 : before Hon. Thomas Taylor, Jr., judge, presiding : opinion.