In the practice of bank” ers. This is a writing acknowledging that the person named lias deposited in the bank a specified sum of money, and that the same is held subject to be drawn out on his own check or order, or that of some other person named in the instrument as payee. Murphy v. Pacific Bank. 130 Cal. 542, 62 Pac. 1059; First Nat Bank v. Greenville Nat. Bank. 84 Tex. 40, 19 S. W. 334; Neall v. U. S