1. The act of the General Assembly approved February 21, 1873 (Acts 1873, p. 282), entitled “An act entitled an act to establish a board of commissioners of revenues, roads, bridges, and paupers for the County of Murray,” is not unconstitutional for any of the reasons assigned. Churchill v. Walker, 68 Ga. 681, 686; Spier v. Morgan, 80 Ga. 581 (5 S. E. 768); Plumb v. Christie, 103 Ga. 700 (30 S. E. 759, 42 L. R. A. 181).

2. The above-cited act confers authority on the county commissioners to contract for the erection of a court-house, jail, and other public buildings. Dunn v. O’Neill, 144 Ga. 823, 826.

3. The judge of the superior court did not err in refusing the injunction prayed for. Judgment affirmed.