Such as are paid periodically, or from time to time as the services are rendered or the work is performed ; more particularly, wages for the current period, hence not including such as are past-due. Kvdnor v. Galveston (Tex. App.) 15 S. W. 202;” Bank v. Graham (Tex. App.) 22 S. W. 1101; Bell v. Live Stock Co. (Tex.) 11 S. W. 340, 3 L. R. A. 042.