There is a pause after this. So the old fisherman has to go on himself.
"No," he continues; "I wouldn't believe it myself if anybody had told me. I had been sitting there all day and I had caught nothing - except a few dozen dace and twenty jack; and I was just about to give up when I suddenly felt something pull the line. I thought it another little fish, and I was about to pull it up. But I could not move the rod! It took me half an hour - half an hour sir! - to land that fish. I had him at last and what do you think it was? A sturgeon! a forty-pound sturgeon! Yes, you should look surprised - I'll have another Scotch, please."