CHEVALIER, Michel, French political economist, born in Limoges, 13 January, 1806 ; died 28 November, 1879. He entered the Polytechnic school in 1824, was appointed an engineer in the department du Nord in 1828, became a St. Simonian, assumed the editorship of the "Globe," and was condemned to twelve months' imprisonment for an article on marriage. After serving six months he was pardoned, and sent by Thiers to investigate the railroads and canals of the United States. While on that mission he travelled extensively over this country, Mexico, and Cuba in 1833-'5, and published in the "Journal des Debats" a series of letters, afterward collected into a volume entitled " Lettres sur l'Amerique du Nor&" In 1840 he became professor of national economy in the College of France. In 1848 he published replies to Louis Blanc, in 1860 became a senator, and in 1867 was charged with preparing the official report of the international exposition, and in an "Introduction aux rapports du jury international" gave a philosophical survey of modern industry. Among his other works are "Histoil;e et description des voies de communication aux Etats-Unis et des travaux qui en dependent" (1840-'2) " Cours d'deonomie" (1842-'50; new ed, 1866) ;" L'Isthme de Panama" (1844); "La libert5 aux Etats-Unis" (1849); "De la baisse probable de For" (1859); "L'expedition du Mexique" (1862); and "Le Mexique ancien et moderne" (1863).