'Either make your purchase, or walk out of my shop!' 'True true,' said Markheim.

'Enough, fooling.

To business.

Show me something else.' The dealer stooped once more, this time to replace the glass upon the shelf, his thin blond hair falling over his eyes as he did so.

Markheim moved a little nearer, with one hand in the pocket of his greatcoat; he drew himself up and filled his lungs; at the same time many different emotions were depicted together on his face--terror, horror, and resolve, fascination and a physical repulsion; and through a haggard lift of his upper lip, his teeth looked out.
'This, perhaps, may suit,' observed the dealer: and then, as he began to re-arise, Markheim bounded from behind upon his victim.