When he lost his hazardous game, Dr.Cameron only paid the forfeit which he must have calculated upon.

The ministers, however, thought it proper to leave Dr.Cameron's new schemes in concealment, lest, by divulging them, they had indicated the channel of communication which, it is now well known, they possessed to all the plots of Charles Edward.

But it was equally ill advised and ungenerous to sacrifice the character of the king to the policy of the administration.

Both points might have been gained by sparing the life of Dr.Cameron after conviction, and limiting his punishment to perpetual exile.
These repeated and successive Jacobite plots rose and burst like bubbles on a fountain; and one of them, at least, the Chevalier judged of importance enough to induce him to risk himself within the dangerous precincts of the British capital.

This appears from Dr.King's ANECDOTES OF HIS OWN TIMES.
'September, 1750 .-- I received a note from my Lady Primrose, who desired to see me immediately.