efforts made to ensure the best ventilation, [423];

excellent health of the employés, [424].

Midland Railway incorporated, [3];

present length, [ib.];

its importance for the conveyance of coal to London, [48].

Mileage, British Postal, on Railways, [38], [105], [138];

variety of its cost for all modes of conveyance, [123].

Mileage, train, of British Railways, [40], [47].

Minerals conveyed on British railways, [40], [47];

their rapid increase in recent years, [69].