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is he who has created a growing appetite for the performances of operas in English, and who has, moreover, fostered the compositions of English musicians. The result of this is great activity among English composers who, stimulated by Mr. Rosa's efforts, are having a race in writing such works, and are repaid for their pains by finding a home for their musical inventions. Operas like Mr. Goring Thomas's "Esmeralda," and Mackenzie's "Colomba," are a credit to England, and have already met with merited success on the Continent.

ROSCOE, Henry Enfield, F.R.S., LL.D., born Jan. 7, 1833, in London, is grandson of William Roscoe, Esq., of Liverpool, and son of Henry Roscoe, Esq.,barrister-at-law. He was educated at Liverpool High School, University College, London, and Heidelberg. (B.A., London, 1852); was appointed Professor of Chemistry at Owens College, Victoria University, Manchester, in 1858; elected a Fellow of the Royal Society in 1863; and received the Royal Medal of that Society, in 1873, "for his chemical researches, more especially for his investigations of the chemical action of light, and of the combinations of Vanadium." Professor Roscoe has published several series of investigations on the Measurement of the Chemical Action of Light in conjunction with Professor Bunsen, of Heidelberg, and is author of many papers in the Philosophical Transactions and scientific journals on other subjects; also of "Lessons in Elementary Chemistry," since translated into German, Russian, Hungarian, and Italian, and republished in America; "Lectures on Spectrum Analysis," 1869, 5th edit. 1878; and, conjointly with Professor Schorlemmer, F.R.S., of a "Treatise on Chemistry," 3 vols., 1877-82, in which the facts and principles of the science are more fully expounded than in the smaller work. The University of Dublin conferred upon him the honorary degree of LL.D. in 1878. He is joint editor with Professors Huxley and Balfour Stewart of Macmillan's Science Primer Series, and author of the "Chemistry Primer." He is Examiner in Chemistry to the Science and Art Department. In 1880 he was elected President of the Chemical Society of London; and in 1882, President of the Literary and Philosophical Society of Manchester, and a member of the Royal Commission on Technical Instruction.

ROSE, Sir John, Bart, G.C.M.G., son of Mr. William Rose by his marriage with Miss Elizabeth Fyfe, was born in Aberdeenshire in 1820. He received his education at King's College, Aberdeen, after which he proceeded to Canada, and was called to the bar there in 1840. He was made a Queen's Counsel in 1849; Solicitor-General in 1859; represented Montreal in the Parliament of Canada from 1859 to 1869; and held successively the offices of Minister of Public Works, Receiver-General, and Minister of Finance of Canada; was Commissioner for Great Britain under the treaty for the settlement of claims against the United States arising out of the Oregon treaty; became a member of the Queen's Privy Council for Canada in 1867; and was nominated a K.C.M.G. Jan. 18, 1870. He was created a baronet in Aug., 1872; and was nominated G.C.M.G. Oct. 29, 1878, in recognition of his services as Executive Commissioner of Canada at the Paris Exposition, and Member of the Finance Committee. Since 1869 he has been a resident of London, and through the banking-house of Messrs. Morton, Rose & Co., in which he is a partner, has acted as a financial agent of the Dominion Government, and rendered Canada many important services.

ROSEBERY (Earl of), The Right Hon. Archibald Philip Primrose, son of the late Archibald