the Liffy, the Thames, [394];

at Attock, [395];

tunnels in mines, [396];

between France and England, [397];

under the Atlantic, [400];

ventilation of, [411].

Turkey, railways for, [270].

Turpin’s ride to York, note, [215].

Tyler, Captain, R.E., his experiments on the Mont Cenis, [339];

practical deductions therefrom, [342];