Milbagx of Members of Congress. The advent of Mr. Greeley, of the New York Tribune, in Congress, Congress, seems likely to produce some wholesome reforms reforms In his paper of Friday he exposes the much needed revision of the mileage law, and publishes a list ot t& members' names, with the amount of mileage each receives. The present law allows S3 for every 20 miles each way "by the usually travel ed route," and thus the excess charged over the ac mai nutnner or nines Dy post rout', (.Mr. U. giving the exact distance of each member's residence from Washington,) amounts to the sum of S2,10j. The excess of three individuals alone is put down at over a thousand dollars each. The table foots up as fol lows: I Number of extra miles charged by Repre sentatives.... ...... ... 5.,03i) Number of extra miles charged by Senators lH,t"0 Total extra miles. ...... Extra mileage of the House.. Extra mileage of the Senate ,f 7, - jrt to ll,8S!l 40 Total extra mileage. - When these rates were T. .... . ...SC - 2,105 20 fixed the average rate of travel was about 40 miles per day, at a cost of ten cents per mile; whereas the average now is at least 100 miles, at a coat of not raore than five cents per mile.