This is a bureau of the Treasury Department, which, for convenience, is located in the General Post Office. To this officer is assigned the duty of auditing the accounts of the Post Office Department, all communications relating to the accounts of postmasters, mail contractors, and other agents of the Department, are addressed to this officer.

The head of so large and important a department of the public service is properly a chief officer of the government and has a seat in the cabinet.

NUMBER OF POST OFFICES AND MILES OF POST ROADS IN THE U. S.
In1790there were but75post offices, and1,875m. of post-roads.
180090320,817
18102,30036,400
18204,50072,492
18308,450115,176
184013,463155,739
185018,417178,672
186028,498240,594
187028,492231,232
POSTMASTERS GENERAL.

CHAPTER XL.
RATES OF POSTAGE IN THE UNITED STATES