You may do this job in any manner you please; but remember that your mission is my secret, and you must not betray it to Mulgrum, or to any other person." "Be sure I won't do that, Captain Passford." "If you obtain any satisfactory information, convey it to me immediately.

You must be very careful not to let any one suspect that you are watching him, and least of all to let Mulgrum know it.

Do you understand me perfectly, Dave ?" "Yes, sir; perfectly.

Nobody takes any notice of me but you, and it won't be a hard job.

I think I can manage it without any trouble.