A military man, who had never appeared to trouble himself about political affairs, could, without exciting any suspicion, hold with the English aristocracy an intercourse which, if he had been a noted master of state craft, would have been jealously watched.

Zulestein, after a short absence, returned to his country charged with letters and verbal messages not less important than those which had been entrusted to his predecessor.

A regular correspondence was from this time established between the Prince and the opposition.

Agents of various ranks passed and repassed between the Thames and the Hague.

Among these a Scotchman, of some parts and great activity, named Johnstone, was the most useful.