Popular Sovereignty, not infringed by prohibition of slavery in Territories, IV. 127. Cannot establish slavery in same, V. 156; VI. 230, 364; VII. 41. The pretended principle of Douglas party in 1860, VI. 362. Proclaimed by Declaration of Independence, VI. 363; VII. 50; XVII. 217,--but limited by same, VI. 364; VII. 52; XVII. 218. Origin and development of perversion of, VI. 365 _et seq._ True, defined, VII. 53. Disturbing influence of pretension of, VII. 62. See _Squatter Sovereignty_. Population, amount required for admission of new States, V. 218-221. Of slave and free States, VI. 144 _et seq._, 328. Predicted increase of, in United States, VII. 47; XVI. 280; XVII. 239. Portraits, the best, in engraving, XIX. 175. Collections of, XIX. 177-179. Portugal, British violation of territory of, XII. 27-32. Testimony of, against slavery, XII. 173-175. Post-Office, the, originally a source of revenue in England, XVIII. 62-64. In the Colonies, XVIII. 66-68. Need of reform in, in England, XVIII. 68; testimony to same, XVIII. 72-75; accomplishment of same, XVIII. 76. Unjust burdens on United States, XVIII. 90-95. Expense to, not caused by distance, XVIII. 95-97; authorities proving same, XVIII. 95 _et seq._ Not a taxing machine, but a beneficent agency, XVIII. 107-109. Need not support itself, XVIII. 109-112. Postage, cheap ocean, III. 215; XVII. 1. Amount collected in slave and free States, VI. 149. In Continental Europe and England, XVIII. 61. Penny, established in England, XVIII. 76; results of same, XVIII. 77-80, 87, 104. Need of cheap, in United States, XVIII. 81, 112. Various rates of United States, XVIII. 82-85. Results of reduction of, in England and United States, XVIII. 87-90. See _One-cent Postage_. Pownall, Thomas, XV. 371. His writings and predictions concerning America, XV. 372-385. Predictions opposed to his, XV. 385 _et seq._