ST CATHARINES, a city and port of entry of Ontario, Canada, and the capital of Lincoln county, is situated 12 miles north-west of Niagara Falls and 35 south of Toronto (by water), on the Welland Canal and the Grand Trunk and Welland branch of the Grand Trunk Railway. It is celebrated for its artesian mineral wells, and contains a convent and a marine hospitaL The manufacture of flour has long been a staple industry,' and the abundant water-power is also utilized in cotton-mills, machine-shops, agricultural implement works, &c. Incorporated as a town in 1845, St Catharines had in 1861 a population of 6284, in 1871 of 7864, and in 1881 of 9631. A city charter was granted in 1875.