After many years of delay, I am here since the 3rd, to assist at the celebration of the Duke of Rutland's birthday. The party is very large, and sufficiently dull: the Duke of Wellington, Esterhazy, Matuscewitz, Rokeby, Miss d'Este (afterwards Lady Truro), and the rest a rabble of fine people, without beauty or wit among them. The place is certainly very magnificent, and the position of the castle unrivalled, though the interior is full of enormous faults, which are wholly irretrievable. This results from the management of the alterations having been entrusted to the Duchess and Sir John Thurston (the former of whom had some taste but no knowledge), and they have consequently made a sad mess of it. There is immense space wasted, and with great splendour and some comfort the Castle has been tumbled about until they have contrived to render it a very indifferent house; no two rooms communicating, nor even (except the drawing-room and dining-room, the former of which is seldom or never inhabited) contiguous. The gallery, though unfinished, is a delightful apartment, and one of the most comfortable I ever saw. The outside of the Castle is faulty, but very grand; so grand as to sink criticism in admiration; and altogether, with its terraces and towers, its woods and hills, and its boundless prospect over a rich and fertile country, it is a very noble possession. The Duke lives here for three or four months, from the end of October till the end of February or March, on and off, and the establishment is kept up with extraordinary splendour. In the morning we are roused by the strains of martial music, and the band (of his regiment of militia) marches round the terrace, awakening or quickening the guests with lively airs. All the men hunt or shoot. At dinner there is a different display of plate every day, and in the evening some play at whist or amuse themselves as they please, and some walk about the staircases and corridors to hear the band, which plays the whole evening in the hall. On the Duke's birthday there was a great feast in the Castle; 200 people dined in the servants' hall alone, without counting the other tables. We were about forty at dinner. When the cloth was removed, Esterhazy proposed His Grace's health, who has always a speech prepared in which he returns thanks. This time it was more simple than usual, and not at all bad. To-night there is a ball for the servants, which could not take place on the real birthday, as it fell on a Saturday.