Downing street, 1st June, 1861.Sir: You are already aware that the Queen is desirous of observing the strictest neutrality in the contest which appears to be imminent between the United States and the so-styled Confederate States of North America. I have now to inform you that, in order to give full effect to this principle, Her Majesty has been pleased to interdict the armed ships, and also the privateers of both parties from carrying prizes made by them into the ports, harbors, roadsteads, or waters of the United Kingdom, or of any of Her Majesty's colonies or possessions abroad. It is Her Majesty's desire that this prohibition should be forthwith notified to all proper authorities within her dominions, and I am to desire that you take measures to secure its effectual observance within the limits of your Government. I have, &c.,
--Boston Transcript, June 20.