Transcriber's notes: (1) Numbers following letters (without space) like C2 were originally printed in subscript. Letter subscripts are preceded by an underscore, like C_n. (2) Characters following a carat (^) were printed in superscript. (3) Side-notes were relocated to function as titles of their respective paragraphs. (4) Macrons and breves above letters and dots below letters were not inserted. (5) [root] stands for the root symbol; [alpha], [beta], etc. for greek letters. (6) The following typographical errors have been corrected: ARTICLE MAGNETOMETER: "... the determination of the magnetic elements on board ship is a matter of very considerable importance." 'determination' amended from 'determinaton'. ARTICLE MAGNETO-OPTICS: "The relation of the magnetic rotation to chemical constitution has been studied in great detail by Perkin, Wachsmuth, Jahn and Schönrock." 'constitution' amended from 'consitution'. ARTICLE MAGNUS, HEINRICH GUSTAV: "... ('Magnus's green salt' is PtCl2, 2NH3), of sulphovinic ..." 'PtCl2' amended from 'Ptll2'. ARTICLE MAHOMET: "With this change we may perhaps couple the adoption of the name Allah for the Deity ..." 'Deity' amended from 'Diety'. ARTICLE MAHOMMEDAN LAW: "It was rather the Moslem leaders who were compelled to abandon their ideas and for the sake of the spread of Islam to accept and incorporate much that was diametrically opposed to the original legislation either of the Koran or of Mahomet's recorded decisions." 'decisions' amended from 'decisons'. ARTICLE MALAY ARCHIPELAGO: "In 1611 the headquarters of the Dutch was changed from Bantam to Jakarta, which in 1619 was renamed Batavia, and was thenceforward the Dutch capital." 'Jakarta' amended from 'Jakatra'. ARTICLE MALAYS: "When the first Europeans visited the Malay Archipelago the Malays had already acquired the art of manufacturing gunpowder and forging cannon." 'cannon' amended from 'canon'. ARTICLE MALAY STATES: "The country is mountainous except close to the coast. The principal rivers are the Patani and the Teloban, long, winding and shallow, and navigable for small boats only." 'the' amended from 'tle'. ARTICLE MALOCELLO, LANCILOTO: "This was a Genoese expedition, which about 1270 seems to have sailed into the Atlantic, re-discovered the 'Fortunate Islands' or Canaries" 'Atlantic' amended from 'Alantic'. ENCYCLOPAEDIA BRITANNICA A DICTIONARY OF ARTS, SCIENCES, LITERATURE AND GENERAL INFORMATION ELEVENTH EDITION VOLUME XVII, SLICE IV Magnetite to Malt ARTICLES IN THIS SLICE: