If the legislature is given authority to legislate upon a subject by a provision of the Constitution other than Section 56, Article III, such authority carries with it the right to enact all provisions which could legitimately be embraced in the bill if Section 56 were not a part of the Constitution. Smith v. Grayson County, 18 Texas Civ. App. 153[ 18 Tex. Civ. App. 153]; City of Dallas v. Western Elec. Co., 83 Tex. 243 [ 83 Tex. 243]; Tex. Sav. Real Est. Ass'n. v. Heirs of Pierre, 31 S.W. 426; 10 Texas Civ. App. 453[ 10 Tex. Civ. App. 453]; State v. Hanscom, 37 S.W. 453; R'y. v. Galveston, 96 Tex. 520; Withers v. Crenshaw, 155 S.W. 1189; Cravens v. State, 57 Texas Crim., 135, 122 S.W. 29, 136 Am. St. Rep., 977; City of Oak Cliff v. State, 77 S.W. 24; Altgelt v. Gutzeit, 187 S.W. 222. The contemporaneous and particular construction of a statute by those whose duty it is to carry it into effect, though not absolutely controlling, is entitled to great weight by the court.