The Further Adventures of Robinson Crusoe by Daniel Defoe Chapter 16 Page 22

was the more willing to let him go, because he was not a little apprehensive that they were a Siberian troop sent out after him.

The man came up near them with a flag of truce, and called to them; but though he spoke several of their languages, or dialects of languages rather, he could not understand a word they said; however, after some signs to him not to come near them at his peril, the fellow came back no wiser than he went; only that by their dress, he said, he believed them to be some Tartars of Kalmuck, or of the Circassian hordes, and that there must be more of them upon the great desert, though he never heard that any of them were seen so far north before.

This was small comfort to us; however, we had no remedy: there was on our left hand, at about a quarter of a mile distance, a little grove, and very near the road.