An Act repealing the act of April 15, 1850 (P.L.467, No.317), entitled "A supplement to an act entitled 'An Act to authorize the governor to incorporate the West Chester and Philadelphia railroad company;' in reference to Windmill island; to the estate of John Earle; to the estate of James H. Douglass, of York county; to the investment of certain trust moneys in the loans of Kensington district; to certain tax laws; the licensing of omnibusses in the city of Philadelphia; and the vacating Bank street, in Philadelphia county."