A modern river, [242];

derivations of name, [242], [243];

origin, [243], [244];

Blackstone-edge reservoirs and the Manchester water-supply, [244];

Stockport, [244], [245];

Northenden, Stretford, [245];

the Irwell, [245], [246];

Manchester and Salford, [246], [247], [250]–[252], [254], [255], [257];

the Ship-Canal, [247], [248], [250];