Diplomatic Representatives, rank of, abroad, XIV. 74. Prohibition of uniform for, XIV. 344. Must not accept gifts from foreign powers, XX. 70. Disabilities, delay in removal of, XIV. 85. Disarmament, advantages of, I. 119-121,--especially for France in 1870, XVIII. 223-229. Disfranchisement, inconsistent with Republican government, XIII. 109. District of Columbia, abolition of slavery in, demanded, I. 308, 337; III. 139,--but not by national Whig Party, II. 308. Slave-trade in, abolished, III. 125. Laws of Maryland adopted in, III. 221; VIII. 271. Slavery and the black code in, VII. 361. Mr. Sumner’s speech on bill for abolition of slavery in, VIII. 251. Power of Congress to abolish slavery in, VIII. 258, 281. Masters in, not properly entitled to compensation, VIII. 259. Congress responsible for slavery in, VIII. 265, 280. Slavery in, unconstitutional, VIII. 265, 274-278; authorities maintaining same, VIII. 266. Account of establishment of seat of government in, VIII. 267-271. Laws of, on slavery, VIII. 272, 304. Money appropriation advisable to ransom slaves in, VIII. 280, 299. Testimony of colored persons in, VIII. 304. Enforcement of emancipation in, VIII. 349. Slaves cannot be surrendered in, IX. 79. Colored suffrage in, XIII. 5; XIV. 229,--the whites _vs._ same, XIII. 98. Opening of offices to colored persons in, XV. 234. Exclusion of colored physicians from Medical Society of, XVII. 186; XVIII. 148. Letter for celebration of anniversary of emancipation in, XX. 266. Origin of reforms for colored persons in, XX. 276. Disunion, threat of, by slave States, VII. 25, 319-321. Absurdity of as a remedy, VII. 33. Difficulty of accomplishing, VII. 34. Effects of, on slave States, VII. 35-37. And a Southern confederacy, VII. 165. Dix, Miss D. L., her book on prison discipline, I. 163. Labors of, I. 164. Advocates separate system in prisons, I. 178. Domestic Relations, our, article on, X. 167. Dominica, diplomatic relations with the republic of, XIII. 270. See _San Domingo_. Doubtful Clauses, authorities on interpretation of, III. 282, 358; X. 342-346. Douglas, Stephen A., compared to Sancho Panza, V. 149. Threats of, replied to, V. 150, 242. His bill for admission of Kansas condemned, V. 212-215. His attacks answered, V. 251-255. Pretended principles of the party supporting, in 1860, VI. 362. His insincerity in professing popular sovereignty, VI. 367-369; VII. 44, 62; his inconsistency as to same, VI. 370-373. His associates, VI. 373. His heartlessness, VI. 374. His contest with Lincoln, XII. 247,--extracts from his speeches in same, XII. 249-253; XVIII. 164; XIX. 302. Douglass, Frederick, insults to, XIX. 165, 220; XX. 155 _et seq._, 181, 205-208. And President Grant, XX. 205.