ORDWAY, John Morse, chemist, born in Ames-bury, Massachusetts, 23 April, 1823. He was graduated at Dartmouth in 1844, and then studied chemistry. In 1847 he became superintendent of the Roxbury color and chemical company, which place he held until 1858, except during 1851-'4. when he was principal of Grand river college in Edinburg, Missouri Subsequently he was chemist to the Hughesdale chemical works, Johnston, Rhode Island, in 1858-'60, then successively chemist, manager, and superintendent of the Manchester, New Hampshire, print works in 1860-'66, and superintendent of the Bayside alkali works, South Boston, in 1866-'74. Meanwhile, in 1869, he became professor of industrial chemistry at the Massachusetts institute of technology, where he remained until 1884, when he accepted the chair of chemistry and biology, with the superintendence of the manual training department in Tulane university, New Orleans. Professor Ordway is a member of various scientific societies, and "in 1880 was chairman of the chemical section of the American association for the advancement of science. His investigations halve been numerous, but are principally in the direction of original researches in various branches of industrial chemistry for private corporations. In consequence his scientific papers have been few and have appeared chiefly in the " American Journal of Science " and in the "Proceedings of the American Institute of Mechanical Engineers." He has published " Plantarum Ordinum Indicator " (Boston, 1881).