Show against increased hauling rates ing mexico city representatives ol 01 the big smelter companies from all parts of mexico are in this city in or der to appear before the tariff corn com and fight the proposed in crease in ore rates on the mexican central the central has asked with in the last few months for bermis sion to raise its rates on a great many commodities in order that it may protect itself against the in creaking creal ng cost of materials higher wages and the cost of many nece feces sary improvements |