ANSONIA, a city of New Haven county, Conn., U.S.A., at the foot of the Berkshire hills, on the Naugatuck river, immediately north of Derby, and about Io m. N.W. of New Haven. It is served by the New York, New Haven and Hartford railroad. The land area is about 5.4 sq. miles. The population in 1920 was 17,643, in 1930, 19,898 by the Federal census. The city has exten sive manufactures, including heavy machinery, electric supplies, brass and copper products, eyelets and eyelet machinery and novelties, valued in 1927 at $40,161,052. Ansonia, Derby and Shelton form one of the important industrial communities of the State. Ansonia was settled in 1840, and named in honour of the merchant and philanthropist, Anson Green Phelps (1781-1853). Originally it was part of the township of Derby. It was char tered as a borough in 1864 and as a city in