De Ahna, Heinrich Karl Hermann, born June 22nd 1835, at Vienna; pupil of Mayseder and Mildner, until 1851, when he relinquished music for a military career, entering the Austrian army. In 1853 he became Lieutenant, was in the war of 1859, but at its conclusion resumed the violin. He made concert tours, was engaged in 1862 in the Royal opera orchestra, Berlin, and became first Concertmeister; he was second violin in Joachim’s quartett. Died Nov. 1st 1892.

Dengremont, Maurice, born March 19th 1866, in Rio de Janeiro; pupil of Leonard. During about ten years he made many appearances in Germany, played in London, at the Crystal Palace, with great success; and died in Buenos Ayres, Nov. 1893.

Dessau, Bernhard, born March 1st 1861, in Hamburg; studied at the Berlin High School, was leader at Königsberg and Prague, now in Rotterdam and teacher in the Conservatorium.

Dittersdorf, Karl von, born Nov. 2nd 1739, at Vienna, died Oct. 31st 1799, was violinist in the Imperial orchestra, and had much success in his tours. He was subsequently Capellmeister, and composed a great deal: operas, symphonies, quartetts, &c.

Dont, Jacob, born March 2nd 1815, at Vienna, died there Nov. 18th 1888; pupil of his father. He was member of the Imperial orchestra and teacher in the Conservatorium; produced excellent studies.

Dreyschock, Raimund, born Aug. 20th 1824, at Zack in Bohemia, died Feb. 6th 1869; was 2nd leader in the Leipsic Gewandhaus orchestra, and teacher in the Conservatorium.

Dupont, Joseph, born Aug. 21st 1821, Liège, died Feb. 13th 1861. Pupil of Prume in the Liège Conservatoire, subsequently teacher in the same.

Dupuis, Jacques, born Oct. 21st 1830, at Liège; taught there in the Conservatoire; died 1860.

Dupuy, Jean Baptiste, born 1775, at Courcelles near Neuchâtel, died April 3rd 1822, at Stockholm; was leader there, and also at Copenhagen. He composed concertos, duets and operas.

Durand, Frederic, born at Warsaw in 1770, died in the middle of the 19th century; pupil of Viotti, in Paris. He made many concert tours; entered the French army in 1796, became adjutant to a General, but must have taken his leave after several years, for he travelled again as a virtuoso and became eventually violinist in Strasburg theatre.