Theophile Jnles Pelouze, a French chemist, born at Valognes, La Manche, Feb. 26, 1807, died at Bellevue, near Paris, June 1, 1867. He completed his studies under Gay-Lussac, and in 1830 became professor of chemistry at Lille, but soon returned to Paris as lecturer on chemistry and adjunct of Gay-Lussac at the polytechnic school. He cooperated with Liebig about 1836 in the discovery of oenanthic ether and in other chemical researches. In June, 1837, he succeeded Dumas as titular professor at the polytechnic school, and from 1839 to 1851 filled the chair previously occupied by Th6nard at the college de France. He was also assayer of the mint, and in 1848 became president of the coinage commission. He established a private laboratory in 1846, which was attended by many pupils. In conjunction with E. Fr6my he published Traite de chimie ge-nerale, analytique, industrielle et agricole (3d revised ed., 7 vols., 1862-'5), and Abrege de chimie (4th ed., 3 vols., 1865-6); and among his numerous other works is Memoire sur la poudre-coton (pyroxyle) (1864).