flanged rails, [205];
edge rails, [206];
wrought-iron rails, [206];
significance of expression "iron" railway, [207];
inclined planes and gravity, [208];
stationary engines, [208];
length and character of colliery lines, [209];
railways adopted by canal companies, [210]-13;
position in South Wales, [213]-4;
canal interests overcome the first proposed competing railway, [214]-9;