Diligence, described, 1, 319
Dining hour, English (1811), 1, 40
Discovery and invention, 2, 13
Dividends, M. on lack, 2, 311, 336. 
Dix, J.A., to M. (1829) on letters of introduction, 1, 299
  at M.’s funeral, 2, 511
Dodge, W.E., banquet to M., 2, 467, 473
Donaldson, R., M.’s painting for, 1, 338
Dot-and-dash code, conception for numbers with hint of alphabet, 2, 7,
    11, 12, 17, 18
  as recorded by first receiver, 39
  numbers principle, dictionary, 61, 74
  paternity of alphabet, 62-68
  substitution of alphabet for numbers, 74-76
  peculiar to M.’s telegraph, 93
  M. on reading by sound, 457, 479, 480
Douglas, G.L., from M. (1862) on effort to prevent Civil War, 2, 418
Dover Castle, M. on, 1, 313
Drake, Mrs. ——­, transatlantic voyage (1815), 1, 188
Draper, J.W., and daguerreotypes, 2, 145, 146
Drawing-room, M. on Queen Charlotte’s (1812), 1, 77;
  on Mrs. Monroe’s (1819), 227
Dresden, M. at (1867), 2, 459
Drummond, Henry, and M.’s telegraph, 2, 95, 126
Dubois, John, at Rome (1830), 1, 340
Dunlap, William, on M.’s Dying Hercules, 1, 105, 106
  on M.’s Judgment of Jupiter, 178, 179
  and origin of Academy of Design, 280
Duplex telegraphy, Fisher’s discovery (1842), 2, 185, 187
Durand, A. B., engraving of M.’s Lafayette, 1, 260
  and origin of Academy of Design, 280
Dwight, S.E., and M., 1, 10
  from M. (1811) on Daggett portrait, 25
Dwight, Timothy, and M., 1, 10
  on Jedediah Morse, 287
Dwight’s Tavern, Western, Mass., 1, 9
Dying Hercules, M.’s sculpture and painting, 1, 85, 86, 102-107, 119,
    134, 185, 437, 2, 188

Edwards, Ninian, proposed Mexican mission (1824), and charges against
    Crawford, 1, 253, 256
  from M. on mission, 254
Electricity, M.’s interest at college, 1, 18
  and in Dana’s lectures (1827), 290
  Henry on electric power, 2, 171
  See also Morse (S.F.B.), Telegraph. 
Elgin, Earl of, and M.’s telegraph, 2, 95, 124, 128
  to M. (1839) on patent, 126
Elgin Marbles, M. on, 1, 47, 2, 124
Elisabeth, Princess, appearance (1814), 1, 137
Ellsworth, Annie, and telegraph, 2, 199, 200, 217, 221
Ellsworth, Henry, and M. abroad, 2, 250
Ellsworth, H.L., marriage, 1, 112
  and M.’s telegraph, 2, 69, 189
  on telegraph in France, 108, 109
  from M. (1843) on construction of experimental line, 217
Ellsworth, Nancy (Goodrich), 1, 112
Ellsworth, William, engagement, 1, 112
Emancipation Proclamation, M. on, 2, 424, 429
Embargo, effect in England, 1, 39
Emotion of taste, M. on, 1, 401
England, appearance of women, 1, 36;