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 that it was right. But the breadth and vastness of his knowledge led to carelessness of detail, and to some diffuse thinking and writing. His literary style was often involved, and his essays were overloaded with references.

Rolleston published numerous papers and addresses, and the following books: 1. ‘Forms of Animal Life,’ Clarendon Press, Oxford, 8vo, 1870; 2nd edit. (edited and much enlarged by Wm. Hatchett Jackson, F.L.S.), 8vo, 1888. 2. ‘A Selection from his Scientific Papers and Addresses, arranged and edited by Sir William Turner, with a biographical sketch by Dr. E. B. Tylor,’ was issued from the Clarendon Press at Oxford in 1884, 2 vols. 8vo, with portrait.

A crayon portrait, drawn by W. E. Miller in 1877, hangs in the common room at Pembroke College, Oxford. It was presented by Professor Goldwin Smith, and bears a Latin quatrain from his pen. This drawing is reproduced in the two-volume edition of his ‘Collected Addresses.’ A marble bust in the museum at Oxford, executed from a study after death, by H. R. Pinker, hardly does justice to that massiveness of feature which, in his later life, lent a great charm and strength to Rolleston's face.

[Personal knowledge; obituary notices by Sir W. H. Flower, F.R.S., in Proc. Royal Soc. xxxiii. 24–7; Dr. Tylor's Biographical Sketch prefixed to the Collected Addresses; additional facts kindly contributed to the writer by Dr. H. G. Rolleston and by Mr. G. Wood, the bursar of Pembroke College, Oxford.] 

ROLLO, ANDREW, fifth (1700–1765), born in 1700, was the eldest son of Robert, fourth lord Rollo, by Mary, eldest daughter of Sir Harry Rollo of Woodside, Stirlingshire, knight. Entering the army after he had attained the age of forty, he so distinguished himself at the battle of Dettingen in 1743 that he was promoted to a company in the 22nd regiment of foot. On 1 June 1750 he was appointed major, and on 26 Oct. 1756 lieutenant-colonel. He succeeded his father on 8 March 1758, and the same year the regiment under his command was despatched to take part in the expedition to Louisburg, when it displayed great gallantry in effecting a landing at Cape Breton. He was stationed with his regiment at Louisburg during 1759, and in the spring of 1760 the 22nd and 40th regiments, under his command, proceeded from Louisburg up the river Lawrence to Quebec, whence, with the forces under Brigadier-general Murray, they advanced against Montreal, which surrendered, and with it all Canada. On 19 Feb. 1760 Lord Rollo was appointed colonel, and at the same time also obtained the rank of brigadier-general in America. After the conquest of Canada he removed with the troops under his command to Albany, and thence to New York. In June 1761 he was sent in command of twenty-six thousand troops to the West Indies, and, landing in Dominica under fire of the men-of-war, he drove the French from their entrenchments, and in two days reduced the island to submission. He was then sent to take part in the operations against Martinique, joining General Monckton in Carlisle Bay, Barbados, in December 1761, and arriving with him at Martinique on 16 Jan. 1762. The island surrendered on 4 Feb., and Rollo, with his brigade, joined the forces of the Earl of Albemarle for the reduction of Havannah in the island of Cuba; but before its surrender on 1 Aug. 1762 ill-health compelled him to leave Cuba and set sail for England. He died at Leicester on 2 June 1765, from a lingering illness caught at Havannah, and was buried in St. Margaret's Church. By his first wife, Catherine, eldest of two daughters and coheiresses of Lord James Murray of Donally, brother of John, first duke of Atholl, he had several children, of whom the only one who reached maturity was John, master of Rollo, who died at Martinique on 24 July 1762 while serving as major in his father's brigade. By his second wife, Elizabeth, daughter of James Moray of Abercairney, Lord Rollo left no issue.

[Douglas's Scottish Peerage (Wood), ii. 399–400; Scots Mag. 1765, pp. 279, 336; Cannon's Historica Records of the 22nd Regiment.] 

ROLLO, JOHN, M.D. (d. 1809), surgeon, was born in Scotland, and received his medical education at Edinburgh. He became a surgeon in the artillery in 1776, and served in the West Indies, being stationed in St. Lucia in 1778 and 1779 and in Barbados in 1781. He published ‘Observations on the Diseases in the Army on St. Lucia,’ in 1781. He soon after returned to Woolwich as surgeon-general, and in 1785 published ‘Remarks on the Disease lately described by Dr. Hendy.’ The disease was that form of elephantiasis known as ‘Barbados leg.’ In 1786 he published ‘Observations on the Acute Dysentery,’ and in 1794 became surgeon-general. He printed at Deptford in 1797 ‘Notes of a Diabetic Case,’ which described the improvement of an officer with diabetes who was placed upon a meat diet. In a second edition, published in 1798, other cases were added, so that the whole made a considerable volume of which a further edition appeared in 1806.