about eight hundred to the Frozen Sea north.
We advanced from the river Arguna by easy and moderate journeys,
and were very visibly obliged to the care the Czar has taken to
have cities and towns built in as many places as it is possible to
place them, where his soldiers keep garrison, something like the
stationary soldiers placed by the Romans in the remotest countries
of their empire; some of which I had read of were placed in
Britain, for the security of commerce, and for the lodging of