Reference Books

CLERVAUX (clara vallis), a town in the northern province of Oesling, grand-duchy of Luxemburg, on the Clerf, a tributary of the Sûre. Pop. (1905) 866. In old days it was the fief of the de Lannoy family, and the present proprietor is the bearer of a name not less well known in Belgian history, the count de Berlaymont. The old castle of the de Lannoys exists, and might easily be restored, but its... more...

CINCINNATUS,LUCIUS QUINCTIUS, (b. c. 519B.C.), one of the heroes of early Rome, a model of old Roman virtue and simplicity. A persistent opponent of the plebeians, he resisted the proposal of Terentilius Arsa (or Harsa) to draw up a code of written laws applicable equally to patricians and plebeians. He was in humble circumstances, and lived and worked on his own small farm. The story that he became... more...

INITIALS USED IN VOLUME VII. TO IDENTIFY INDIVIDUALCONTRIBUTORS, WITH THE HEADINGS OF THEARTICLES IN THIS VOLUME SO SIGNED.A. B. F. Y.Alexander Bell Filson Young.Formerly Editor of theOutlook. Author ofChristopher Columbus;Master-singers;The Complete Motorist;Wagner Stories; &c.{Dance(in part).A. Bo.*Auguste Boudinhon, D.D., D.C.L.Professor of Canon Law in the Catholic University of Paris. Honorary... more...

CONDUCTION, ELECTRIC. The electric conductivity of a substance is that property in virtue of which all its parts come spontaneously to the same electric potential if the substance is kept free from the operation of electric force. Accordingly, the reciprocal quality, electric resistivity, may be defined as a quality of a substance in virtue of which a difference of potential can exist between different... more...

CONSTANTINE PAVLOVICH (1779-1831), grand-duke and cesarevich of Russia, was born at Tsarskoye Selo on the 27th of April 1779. Of the sons born to the unfortunate tsar Paul Petrovich and his wife Maria Feodorovna, née princess of Württemberg, none more closely resembled his father in bodily and mental characteristics than did the second, Constantine Pavlovich. The direction of the boy’s upbringing... more...

(Lat. _conventio_, an assembly or agreement, from _convenire_, to come together), a meeting or assembly; an agreement between parties; a general agreement on which is based some custom, institution, rule of behaviour or taste, or canon of art; hence extended to the abuse of such an agreement, whereby the rules based upon it become lifeless and artificial. The word is of some interest historically and... more...

COQUELIN, BENOÎT CONSTANT (1841-1909), French actor, known as Coquelin aîné, was born at Boulogne on the 23rd of January 1841. He was originally intended to follow his father’s trade of baker (he was once called un boulanger manqué by a hostile critic), but his love of acting led him to the Conservatoire, where he entered Regnier’s class in 1859. He won the first prize for comedy within a year,... more...

COUCY-LE-CHÂTEAU, a village of northern France, in the department of Aisne, 18 m. W.S.W. of Laon on a branch of the Northern railway. Pop. (1906) 663. It has extensive remains of fortifications of the 13th century, the most remarkable feature of which is the Porte de Laon, a gateway flanked by massive towers and surmounted by a fine apartment. Coucy also has a church of the 15th century, preserving a... more...

DINARD, a seaside town of north-western France, in the department of Ille-et-Vilaine. The town, which is the chief watering-place of Brittany, is situated on a rocky promontory at the mouth of the Rance opposite St Malo, which is about 1 m. distant. It is a favourite resort of English and Americans as well as of the French, its attractions being the beauty of its situation, the mildness of the climate... more...

DIAMETER (from the Gr. διά, through, μέτρον, measure), in geometry, a line passing through the centre of a circle or conic section and terminated by the curve; the “principal diameters” of the ellipse and hyperbola coincide with the “axes” and are at right angles; “conjugate diameters” are such that each bisects chords parallel to the other. The diameter of a quadric... more...