Oath to support the Constitution, requirements of, IV. 177-183, 269-271;
VIII. 221; XIX. 312,--authorities on same, IV. 177-181, 269 _et seq._
See _Custom-house Oaths_ and _Iron-clad Oath_.
Ocean Telegraph, the, between Europe and America, XIV. 220, 301.
Offices, protection for incumbents of, XIV. 241, 254-258.
Locality in appointment to, XVII. 94.
Presidential prerogative as to, XX. 115 _et seq._
See _Tenure-of-Office Act_.
One-cent Postage, XVIII. 57.
Reasons for, XVIII. 85, 98-107, 113 _et seq._
One-man Power, the, _vs._ Congress, XIV. 181.
Ordinance of Freedom in the Northwest Territory, authorship of, III. 253.
Adoption of, VII. 58; XVI. 230.
Validity of, defended by Webster and Chase, XVI. 231-234.
Opposition to, XVI. 234.
Does not authorize unlimited equality of States, XVI. 242.
Oregon, establishment of a branch mint in, XI. 263.
Otis, James, an example to Massachusetts, IV. 237.
On slavery, XII. 150; XIII. 164.
His exertions against taxation without representation, XIII. 158-165,
295-298.
Asserts equality of all men, XIII. 295.
Overstone, Lord, on paper money, VIII. 200-202.
On need of postal reform, XVIII. 73, 99-101.