To John Jay. Madrid, February 18th, 1780, 21 Interview with the Count de Florida Blanca, who promises to answer Mr Jay's letter.--Advises Mr Jay to prepare for a journey to Madrid.--Mr Lee's correspondence. To the President of Congress. Madrid, February 19th, 1780, 23 Favorable reception.--Kindness of the French Ambassador and of M. Gerard.--English forces. To the Committee of Foreign Affairs. Aranjues, May 28th, 1780, 24 Difficulty of communication.--Dispositions of the Spanish Court.--English policy in Spain.--Dispositions of the other European powers.--Bills on Mr Jay. To the Committee of Foreign Affairs. Madrid, July 17th, 1780, 30 Mr Cumberland, English agent at Madrid. To the Committee of Foreign Affairs. St Ildefonso, August 22d, 1780, 32 Finances of Spain.--Mr Cumberland.--Armed neutrality.--Naval forces and operations of France and Spain.--M. Gardoqui succeeds M. Miralles. To the Committee of Foreign Affairs. St Ildefonso, September 9th, 1780, 38 Failure of the Spanish loan attributed to M. Necker.--Scheme of the loan.--Unsettled policy of Spain.--Armed neutrality.--The navigation of the Mississippi the chief obstacle to the opening of negotiations with Spain. To the Committee of Foreign Affairs. St Ildefonso, September 25th, 1780, 43 Supplies from Spain.--Conference with the Count de Florida Blanca.--The Count declares that Spain will never relinquish the exclusive navigation of the Mississippi.--Finances of the belligerent powers.--The Count de Montmorin. To the Committee of Foreign Affairs. Madrid, October 15th, 1780, 47 The Spanish government finds it difficult to raise money.--The armed neutrality and Holland.--Revolt in Peru. To the Committee of Foreign Affairs. Madrid, November 28th, 1780, 50 Finances and financial operations of Spain.--Vigorous preparations of England.--Spain aims at the exclusive possession of the Gulf of Mexico.--The European powers are jealous of the House of Bourbon.--Suggests the expediency in securing the alliance of Spain by further concessions.--Proceedings in Holland.--The Count de Vergennes informs Mr Jay that France cannot pay the bills drawn on him.