I feel the greatest pleasure to find that my unceasing efforts to obtain the acceptance by the Buenos Ayrean Government of our joint mediation have satisfied you. I can conscientiously say that I have done every thing in my power to make it succeed.
Of course I never meant but that the note should be immediately communicated to the Government, all I requested, and in which I was sure your own discernment and good feelings would make you concur in, was, that it should not be published until it has come out here.
I observe, in all your letters, you write mediation for mediators, as applicable to my expressions.
"My words in one of my preceding letters were, that your reliance on the mediators should not be vain or unfounded." This you have seen and can rely upon. I never hoped or gave you reason to hope that the mediation would be successful, but the results, according to my opinion and belief, (I am no prophet to predict), will not be vain nor illusory. The feelings of the British Government (and as you tell me Lord Aberdeen has himself said) towards the Banda Oriental will be very different since the conclusion of a treaty between it and great Britain to what they were before.
Believe me, my dear M. de Vidal,
Always your sincere and faithful Friend,
J. H. MANDEVILLE.
To his Excellency M. de Vidal, &c. &c. &c.
Buenos Ayres, November 28th, 1842.