Of the Principal Offices in Washtenaw County. ALL PAYING OFFICES And Turn In A Good Revenue To The Government. Ann Arbor the Eighth Office in Point of Receipts in Michigan.- It Is the Biggest Second Class Office in the State. The report of the auditor for the post office department for the fiscal year ending June 30, 1897 has just been published. From it can be learned the receipts and expenses of every presidential post office in the country for the year ending June 30, last. In Washtenaw county there are two second class post offices, Ann Arbor and Ypsilanti, and three third class offices, Chelsea, Manchester and Milan. None of the other postmasters get salaries but are paid on the stamps canceled. The receipts for the year of these five presidential offices were as follows: Ann Arbor, $32,385.53; Ypsilanti, $14,353.25; Chelsea, $3.776.75; Manchester, $2,301.75; Milan, $1,855 22. The total expenses of these offices were as follows: Ann Arbor, $19,414.04; Ypsilanti, $9,595.78; Chelsea, $1,776.64; Manchester, $l240.84; Milan, $1,225.84. The net revenue to the government or the amount turned into the treasury after paying all expenses by these offices was: Ann Arbor, $12,971.49 ; Ypsilanti, $4,757.47 ; Chelsea, $2,010.11; Manchester, $1,060.91; Milan, $629.38. There are seven offices in Michigan with larger post office receipts than Ann Arbor. These in the order of their receipts are Detroit, Grand Rapids, Kalamazoo, Saginaw, E. S., Lansing, Battle Creek and Jackson and they are all first class offices. Ann Arbor is the biggest second class office in the state, being followed in the order named by Bay City, Port Huron, Flint, Adrian, Muskegon, Marquette, Owosso, Saginaw, W. S., Marshall, Pontiac, Menominee, Sault Ste. Marie, Ypsilanti and others. The largest single item of expense of the post office department is the amount paid the railroads for transporting the mails. This amount is over $28,900,000 and is lagrer than the salaries of all the postmasters and post office clerks in the country. The government pays out over $7,700,000 annually besides this in salaries to the railway mail clerks.