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F&LEGYHAZA granite often contain the rarer granite mine- rals, such as beryl and tourmaline. In its compact state as felsite, it is the base of albite porphyry. It is found in Maine, at Paris, with red and blue tourmalines ; in Massachusetts, at Chesterfield ; in Connecticut, at Haddarn, with beryl, columbite, and black tourmaline, and in other localities; in New York, at Granville, Washington co., in white transparent crystals ; in Pennsylvania, at Unionville, Delaware co., where a granular variety is a matrix for corun- dum ; and in Calaveras co., California, with na- tive gold and auriferous pyrites. Albite has the same composition as that of orthoclase or potash feldspar, substituting soda in place of potash. Soda feldspars yield more rapidly than potash feldspars to the decomposing ac- tion of water and carbonic acid; and accord- ingly Prof. T. Sterry Hunt finds in the more recent crystalline rocks of Canada a less devel- opment of soda feldspar than of any other kinds, and conceives the carbonate of sodium result- ing from the decomposition of the albite and similar minerals of the older rocks to have re- acted with the chloride of calcium of the palae- ozoic ocean, producing deposits of carbonate of calcium and the chloride of sodium which is held in solution. In general, the decomposi- tion of the feldspathic rocks has furnished the principal mass of the various clays, those con- taining the largest proportion of feldspar af- fording the finest deposits, such as kaolin, of which porcelain is made. The soil derived from them, particularly the common potash species, is noted for its fertility when under good cultivation, on account of their furnish- ing a large supply of potash, an important con- stituent of plants. The application of caustic lime to such soils, when they are worn, has the effect of liberating a portion of the potash, with the formation of silicate of lime ; this ac- counts for the great difference often noticed in the fertilizing effects of the application of lime, depending upon the mineral character of the soil and upon the condition of the lime. FELEGYHA/A, or FelegyMza, a town of Hun- gary, in the district of Little Cumania, 65 m. S. E. of Pesth ; pop. in 1870, 21,313. It is situ- ated in an exceedingly fertile region, and con- tains a large Eoman Catholic parish church, a gymnasium, and a fine town hall. The princi- pal products of the vicinity are grain, fruit, to- bacco, and wine, which is made in great quan- tities. There are four annual cattle fairs, which are much frequented. FELICE, Fortnnato Bartolommeo, an Italian au- thor, born in Rome about 1725, died at Yverdun, Switzerland, Feb. 7, 1789. He studied under the direction of the Jesuits, and became a teacher of various sciences in Rome and in Naples. His abduction of a nun from a convent in the lat- ter city obliged him to seek refuge elsewhere, and about 1756 he settled at Bern, where he became a Protestant. At a later period he founded a printing establishment and a board- ing school at Yverdun. He translated into FELIX 115 Italian the works of Descartes, D'Alembert, and Newton, and edited with Tscharner (1758- '67) L^estato della letteratura and other peri- odicals. He edited Burlamaqui's Principe du droit naturel et des gens, and published an abridgment of the same under the title of Lemons du droit de la nature et des gens (4 vols., Yverdun, 1769), and many other works. His most extensive production is the Encyclo- pedic, ou Dictionnaire universel des connois- sances Jiumaines (48 vols. 4to, and 10 vols. of illustrations, 1770-'80). It was based on Dide- rot's cyclopaedia, and he was assisted by Euler, Haller, and other eminent scholars. From this he compiled a Dictionnaire de la justice natu- relle et cimle (13 vols., 1778). FELIX, called FELIX OF V ALOIS, a saint of the Roman Catholic church, and founder (with John of Matha) of the order of Trinitarians, born in the district of Yalois, France, April 19, 1127, died in the monastery of Cerfroi, Nov. 4, 1212. He was a man of considerable wealth, which he renounced to become a her- mit in the forest of Galeresse, diocese of Meaux, where he dwelt until his 60th year. About that time John of Matha became his disciple, and inspired him with the idea of devoting his remaining years to the labor of redeeming the Christians held in bondage by the Mo- hammedans. For this purpose they both went to Rome in 1197 and submitted their design to Pope Innocent III. He approved it, and in furtherance of it a.new religious order was established, styled the " order of the Trinity," or "for the redemption of captives," John of Matha being appointed its "minister general." Returning to France, they established a mon- astery in Cerfroi, which became the cradle of the order of Trinitarians. "While John of Matha journeyed to Italy and Africa, Felix governed and propagated the new order. He obtained for it an establishment in Paris, near a chapel dedicated to St. Mathurin, and from this circumstance his monks were there called les Mathurins. The order established by him is called indiscriminately Trinitarians or Re- demptionists. See for his biography Baillet, Vies des saints, under date of Nov. 20, and Richard and Giraud, Bibliotheque sacree. FELIX, Celestin Joseph, a French preacher, born at Neuville-sur-1'Escaut, near Valencien- nes, June 28, 1810. He studied at Cambrai, and after his ordination was employed there in pastoral duties. He entered the novitiate of the Jesuits in 1837, and was appointed pro- fessor of rhetoric in the college of Bruge- lette. While there a discourse delivered by him at an academic celebration caused his su' periors to employ him exclusively in the min- istry of preaching. He went to Paris, heard the best speakers of the bar, the pulpit, and the legislature, preached his first course of Advent sermons in the church of St. Thomas d'Aquin in 1851, and the Lenten course in St. Germain des Pres in 1852. In 1853 he suc- ceeded Lacordaire and Ravignan in the pulpit