HARTLEY, SIR CHARLES AUGUSTUS English engineer, was born in 1825 at Heworth, Durham. From 1856 to 1872 he was engineer-in-chief for the works carried out by the European Commission of the Danube for improving the navi gation at the mouths of that river, and from 1872 onwards he was consulting engineer to the Commission (see DANUBE). In he was a member of the committee appointed by Congress to report on the works necessary to form and maintain a deep chan nel through the south pass of the Mississippi delta; and in 1884 the British Government nominated him a member of the inter national technical commission for widening the Suez Canal. He was consulted by the British and other Governments in connection with many other river and harbour works, including the improve ment of the navigation of the Scheldt, Hugli, Don and Dnieper, and of the ports of Odessa, Trieste, Kustendjie, Burgas, Varna and Durban. He was knighted in 1862, and became K.C.M.G. in 1884. He died in London on Feb. 20, 1915.