ROSIN, or RESIN, the name given to the rosin of coniferous trees employed in a solid state for ordinary purposes. It is obtained from turpentine by distillation. In the process the bil of the turpentine comes over and the rosin remains behind. There are several varieties of rosin, varying in color from the palest amber to nearly black, and from translucent to opaque. It differs somewhat according to the turpentine from which it is derived, this being obtained from numerous species of pine and fir. It is used in the manufacture of sealing-wax, var nish, cement, soap, for soldering, etc. Colo phony is a name for the common varieties. See NAVAL STORES.
RoSLER, thler, Augustin, German clergyman and historian: b. Guhrau, Silesia, 6 March 1851. He was educated at Glogan Gym nasium and the universities of Breslau and Freiburg-im-Breisgan, and at Rome. In 1875 he was ordained to the priesthood, in 1876-77 edited Schlesisches Kirchenblatt at Breslau, and in the latter year entered the Redemptorist M Order. In 18-82 he was professor of dogmatic theology and church history, and after 1882 of Scripture and Hebrew at the Redemptorist scholasticate, Mantern, Styria. His published works are numerous, including 'Der katholische Dichter Aurelius Prudentius (1886) ; 'Der Fahneneid des christlichen Mantles' (1888) ; 'Der Stall von Bethlehem) (1890) ; 'Der Katholizismush seine Aufgabe und seine Aussichten nach Prof. Dr. Albert Ehrhard'
(1892) ; 'Cardinal Johannes Dominici, (1893) ; Frauenfrage vom Standpunkte der Natur, der Geschichte und der Offen barung) (1893; 2d ed., 1907) ; 'Cardinal Johannes Dominicis Erziehungslehre und die iibrigen padagogischen Leistungen Italiens ins 15 Der Kartauser Nicolaus Kempf und seine Schrift: (Ueber das rechte Ziel und die recite Ordnung des Unterrichts,' Vol. VII of 'Bibliothek der katholischen Padagogik" (1894) • 'Der Reichtum der katho lischen Kirche (1896); 'Gewissenserforschung Aber die Anklagen des Professor Dr. Ehrhard' (1902) ; (Die Uebung der Caritas durch die Frauen und an den Frauen' (1901; 2d ed., 1903) ; 'Fars Priesterherz' (1907; 2d ed., 1908) ; 'Liebfrauenschule' (1910; 4th ed., 1912). Dr Rosier was a collaborator in Herder's (Kirchenlexilton) (2d ed.) and 'Lexikon der Piidagogik) • Buchberger's 'Kirchliches Hand lexikon, and contributor to Literarische Ruticl schatt, Historisch-politis-che Bliitter, the 'Catho lic Encyclopedia,' etc.