"Look at the wooden leg." "Well, it's MY wooden leg, ain't it ?" he inquired.
"If it is, it can't be a reflection in a mirror," she argued, "for YOU haven't got a wooden leg.

You've got a fish's tail." The old sailor was so startled by this truth that he gave a great flop with his tail that upset his balance and made him keel a somersault in the water before he got right side up again.

Then he found the other sailor man laughing at him and was horrified to find the "reflection" advancing toward them by stumping along on its wooden leg.

"Keep away! Get out, there!" yelled Cap'n Bill.

"You're a ghost, the ghost o' me that once was, an' I can't bear the sight o' you.