And, I say, Peterson, just buy a goose on your way back and leave it here with me, for we must have one to give to this gentleman in place of the one which your family is now devouring." When the commissionaire had gone, Holmes took up the stone and held it against the light.

"It's a bonny thing," said he.

"Just see how it glints and sparkles.

Of course it is a nucleus and focus of crime.

Every good stone is.