| J. I. | Jules Isaac.- Professor of History at the Lycée of Lyons.
|  | Francis I. of France. |
| J. K. L. | Sir John Knox Laughton, M.A., Litt.D.- Professor of Modern History, King’s College, London. Secretary of the Navy Records Society. Served in the Baltic, 1854–1855; in China, 1856–1859. Mathematical and Naval Instructor, Royal Naval College, Portsmouth, 1866–1873; Greenwich, 1873–1885. President, Royal Meteorological Society, 1882–1884. Honorary Fellow, Gonville and Caius College, Cambridge. Fellow, King’s College, London. Author of Physical Geography in its Relation to the Prevailing Winds and Currents; Studies in Naval History; Sea Fights and Adventures; &c.
|  | Farragut; Fitzroy. |
| J. L. B. | Julian Levett Baker, F.I.C.- Analytical and Consulting Chemist. Examiner in Brewing to the City and Guilds of London Institute, Department of Technology. Hon. Secretary of the Institute of Brewing. Author of The Brewing Industry; &c.
|  | Fermentation. |
| J. Ma. | John Macdonald. |  | Fair (in part). |
| J. M. S. | James Montgomery Stuart.- Author of The History of Free Trade in Tuscany; Reminiscences and Essays.
|  | Foscolo. |
| J. Pa. | James Paton, F.L.S.- Superintendent of Museums and Art Galleries of Corporation of Glasgow. Assistant in Museum of Science and Art, Edinburgh, 1861–1876. President of Museums Association of United Kingdom, 1896. Editor and part-author of Scottish National Memorials, 1890.
|  | Feather (in part). |
| J. P. E. | Jean Paul Hippolyte Emmanuel Adhémar Esmein.- Professor of Law in the University of Paris. Officer of the Legion of Honour. Member of the Institute of France. Author of Cours élémentaire d'histoire du droit 'français; &c.
|  | France: Law and Institutions. |
| J. R. C. | Joseph Rogerson Cotter, M.A.- Assistant to the Professor of Natural and Experimental Philosophy, Trinity College, Dublin. Editor of 2nd edition of Preston’s Theory of Heat.
|  | Fluorescence. |
| J. R. F.* | Joseph R. Fisher.- Editor of the Northern Whig, Belfast. Author of Finland and the Tsars; Law of the Press; &c.
|  | Finland. |
| J. R. J. J. | Julian Robert John Jocelyn.- Colonel, R.A. Formerly Commandant, Ordnance College; Member of Ordnance Committee; Commandant, Schools of Gunnery.
|  | Fireworks: History. |
| J. S. Bl. | Rev. John Sutherland Black, M.A., LL.D.- Assistant Editor, 9th edition, Encyclopaedia Britannica. Joint Editor of the Encyclopaedia Biblica. Translated Ritschl’s Critical History of the Christian 'Doctrine of Justification and Reconciliation.
|  | Fasting; Feasts and Festivals. |
| J. S. F. | John Smith Flett, D.Sc, F.G.S.- Petrographer to the Geological Survey. Formerly Lecturer on Petrology in Edinburgh University. Neill Medallist of the Royal Society of Edinburgh. Bigsby Medallist of the Geological Society of London.
|  | Felsite; Flint. |
| J. S. K. | John Scott Keltie, LL.D., F.S.S.. F.S.A. (Scot.).- Secretary, Royal Geographical Society. Knight of Swedish Order of North Star. Commander of the Norwegian Order of St Olaf. Hon. Member, Geographical Societies of Paris, Berlin, Rome, &c. Editor of Statesman’s Year Book. Editor of the Geographical Journal.
|  | Finland (in part); Flinders. |
| J. T. Be. | John T. Bealby.- Joint Author of Stanford’s Europe. Formerly Editor of the Scottish Geographical Magazine. Translator of Sven Hedin’s Through Asia, Central Asia and Tibet; &c.
|  | Fens; Ferghana (in part). |
| K. S. | Kathleen Schlesinger.- Author of The Instruments of the Orchestra.
|  | Fiddle; Fife; Flageolet; Flute (in part). |
| L. D.* | Louis Duchesne.- See the biographical article: Duchesne, L. M. O.
|  | Formosus. |
| L. F. S. | Leslie Frederic Scott, M.A., K.C.C.- Barrister-at-Law, Inner Temple.
|  | Factor. |
| L. J. | Lieut.-Colonel Louis Charles Jackson, R.E., C.M.G.- Assistant Director of Fortifications and Works, War Office. Formerly Instructor in Fortification, R.M.A., Woolwich. Instructor in Fortification and Military Engineering, School of Military Engineering, Chatham
|  | Fortification and Siegecraft. |
| L. V.* | Luigi Villari.- Italian Foreign Office (Emigration Dept.). Formerly Newspaper Correspondent in east of Europe. Italian Vice-Consul in New Orleans, 1906; Philadelphia, 1907; Boston, U.S.A., 1907–1910. Author of Italian Life in Town and Country; Fire and Sword in the Caucasus; &c.
|  | Faliero; Fanti, Manfredo; Farini, Luigi Carlo; Farnese: Family; Ferdinand I. and IV. of Naples; Ferdinand II. of the Two Sicilies; Fiesco; Filangieri, C.; Florence; Foscari; Fossombroni; Francis II. of the Two Sicilies; Francis IV. and V. of Modena. |