Read it through once

“Lookee here!” said my convict to the sergeant. “Single-handed I got clear of the prison-ship; I made a dash and I done it. I could ha’ got clear of these death-cold flats likewise—look at my leg: you won’t find much iron on it—if I hadn’t made the discovery that _he_ was here. Let _him_ go free? Let _him_ profit by the means as I found out? Let _him_ make a tool of me afresh and again? Once more? No, no, no. If I had died at the bottom there,” and he made an emphatic swing at the ditch with his manacled hands, “I’d have held to him with that grip, that you should have been safe to find him in my hold.”