ctureship, ~2~, 437
Unitarianism, Jedediah Morse's opposition, ~1~, 1
M. on, ~2~, 430
Universalists, M. on, ~1~, 213
Upham, N.G., referee on Smith's claim, ~2~, 411
Uriel in the Sun, Allston's painting, ~1~, 307

Vail, Alfred, first view of telegraph, ~2~, 54
association with it, contract, 59, 60
and dot-and-dash alphabet, 62-65
work with M., 70, 76, 81
M.'s acknowledgment of indebtedness to, 71, 471, 489
friction, 79, 80
new arrangement of partnership, 83
ceases effort for telegraph, 136, 151, 168, 178, 181, 186, 401
and construction and operation of experimental line, agreement, 204,
205, 215, 216, 220
and operation of telegraph, 239
Kendall, as agent, 246, 339, 340
and Henry controversy, 261
relations with M. after 1844, 275, 307, 327-329, 339, 401
incapacity for telegraph work, 296
M. and death, 400, 401
_Letters to M:_
(1840) proposing exhibition at Philadelphia, ~2~, 153
(1841) on private line, 169
(1846) on accident, 268
(1847) on avoiding active interest in companies, 275
(1848) on suits, severing connection with telegraph, 294
(1849) on newspaper hostility, 307
_From M:_
(1838) on prospects, portrule, 88, 90
on exhibition before Institute of France, 107
(1839) on discouraging conditions, 149
(1840) on same, 151
(1841) on scattered partners, hope, 169
(1842) on duplex and wireless experiments, action in Congress, 185
(1843) on bill, 196
on passage of act, 201
on preparation for experimental line, 204
(1844) on operating, 220, 221
(1846) on faithless associates, 260
on accident, 268
(1847) on personal relations, 275
(1847) on faithlessness of Rogers, 277, 278
(1854) on share under extension of patent, 327
Vail, Mrs. Alfred, from M. (1862) on share in gratuity, ~2~, 422
Vail, George, and brother's connection with telegraph, ~2~, 79
to M. (1842) refusing assistance, 184
from M. (1854) on brother's share in extension of patent, 328
suspicion of M., 339
from M. (1862) on original wire of telegraph, 423
Vail, Stephen, and telegraph, ~2~, 70, 184
Van Buren, Martin, and letters of introduction for M. (1829), ~1~, 299
and exhibition of telegraph (1838), ~2~, 81
Vanderlyn, John, and M.'s portrait of Mrs. Ball, ~1~, 232
and portrait of Lafayette, 261
and origin of Academy of Design, 280
painting for steamer, 289
Van Dyke, H.J., and Civil War, ~2~, 416
Van Renssela