The proceeds of any contribution made by any county under the provisions of Section 37-115-61, including the proceeds of any bonds issued for such purpose, shall be paid by the board of supervisors of such county into the state treasury into a special fund in the state treasury to the credit of the state building commission and shall thereafter be utilized and expended by said building commission for the construction, erection and equipping of a teaching hospital and related facilities in the manner and under the terms, provisions and conditions of Sections 37-115-21 through 37-115-33.