down the banks

Independent woters ain't the chalk—and the K. Ns. has done it!— They've spiled the trade. Sam's done it—Amerikins has done it! Take 'em up for interfeerin' with other people's bisness. Give 'em down the banks; send em up ninety days; give em that,"—and he struck straight out at an imaginary head, with a force that sent him with a lurch across the sidewalk, up against the side of the buildings.

Mr. Heberton Fitzjames was (and, if he has not gone 'down the banks,' is) a gentleman such as we frequently see at the watering-places; a leader of the select parties there congregated. […] I became acquainted with Fitzjames in my way of making new friends. I had professional engagements with him, and from the name of 'the plaintiff,' I concluded it grew out of a sporting debt. Ah, Heberton, in that you were nearly gone 'down the banks!'

A independent woter ain't the cheese any longer. […] The Stars is out in all kinds o' weather, and if they shines on a feller when he's got half a dozen glasses on board, the Watch-us', Squire Cole, and ten days down the banks, is the word!