LOUIS DEJEAN served many years in the first troop of horse grenadier guards, in which corps he rose to the rank of Lieut.-Colonel, and in 1746 he was promoted to the colonelcy of a regiment of foot, which was afterwards disbanded. In 1752, he was appointed to the colonelcy of the FOURTEENTH dragoons; in 1756, he was promoted to the rank of Major-General; in 1757, he was removed to the third Irish horse, now sixth dragoon guards; and in 1759, he was advanced to the rank of Lieut.-General. He died at Dublin, in 1764. JOHN CAMPBELL. _Appointed 5th April, 1757._ JOHN CAMPBELL entered the army in the reign of King George II., and in 1745, he was promoted to the Lieut.-Colonelcy of the fifty-fourth regiment, now forty-third, or Monmouthshire light infantry, with which corps he served a short period in the Netherlands. The rebellion breaking out in Scotland, he quitted Flanders, and in January, 1746, he joined Lieut.-General Hawley, with a thousand Argyleshire highlanders, on the day of the unfortunate battle of Falkirk. He subsequently joined the Duke of Cumberland at Perth, and accompanied His Royal Highness to the north. He was promoted to the rank of colonel, and appointed aide-de-camp to the King in November, 1755; in the following month he was nominated colonel of the fifty-fourth regiment, then first embodied, from which he was removed in 1757, to the FOURTEENTH dragoons, and in 1759, he was promoted to the rank of Major-General, and appointed colonel of the Argyleshire fencibles; in January 1761, he was advanced to the rank of Lieut.-General. On the decease of his uncle, Archibald, third Duke of Argyle, in 1761, his father, General John Campbell, of the Scots Greys, succeeded to that title, and Lieut.-General Campbell, of the FOURTEENTH dragoons, became MARQUIS OF LORNE. In the following year he was appointed Commander-in-Chief in Scotland, and in 1765 he was removed to the royal regiment of foot. He was again appointed Commander-in-Chief in Scotland in 1767, and in 1770 he succeeded to the title of DUKE OF ARGYLE. He was promoted to the rank of General in 1778; removed to the third foot guards in 1782, and advanced to the rank of Field Marshal in 1796. Being distinguished for many social, private, and public virtues, he was highly honoured and respected in society, and he died lamented, on the 24th day of May, 1806, in the eighty-third year of his age. CHARLES FITZROY. _Appointed 11th September, 1765._