When he reached St.Petersburg they had departed for Paris; and when he followed them there he learned that they had just set off for Copenhagen.

At the Danish capital he was again a few days late, for they had journeyed on to London, where he at last succeeded in running them to earth.

As to what occurred there, we cannot do better than quote the old hunter's own account, as duly recorded in Dr.Watson's Journal, to which we are already under such obligations..