Portraits by M., John Adams, 1, 196
  Mrs. Ball, 231-233
  De Forest, 243
  James Kent, 250
  Moss Kent, 246
  Lafayette, 260-262, 264, 270, 272, 286
  John Langdon, 211
  Mrs. Lind, 435
  James Monroe, 222, 226, 234
  James Russell, 180
  Dr. Smith, 261
  Stanford, 270
  Thorwaldsen, 370-374, 2, 465
Portrule, 2, 74, 88, 90
  superseded, 117
Portsmouth, N.H., M. at (1816-17), 1, 210, 212, 213
Portugal, testimonials to M., 2, 393, 403
Potter, Edward, and origin of Academy of Design, 1, 280
Poughkeepsie, M.’s home at, 2, 269, 280, 284, 286, 296, 464, 498
  greeting to M. (1859), 407, 408
Powell, W.H., commission for Capitol painting, 2, 267
Prescott, G.B., M. on work, 2, 457
President, U.S.S., reported capture (1811), 1, 54
Presidential election, conduct in Congress (1825), 1, 263
  report over telegraph of conventions (1844), 2, 219, 224-228
  M. on Buchanan’s election, 371
  M. supports McClellan’s candidacy, 427, 429-431
  M. on (1868), 465, 466
Prime, S.I., on M.’s anecdote of West, 1, 42
  on M.’s grandfather, 227
  on Jedediah Morse and wife, 287, 293
  on incident in construction of experimental line, 2, 214
  on success of line, 222
  on sustainment of M.’s patent, 291
  on M. and Phillipsborn at Berlin, 461-484
  review of M.’s character, 516
Prince, L.B., at M.’s funeral, 2, 512
Printing, M. on, 2, 299
Printing telegraph, 2, 271
  See also House. 
Prosch, ——­, and instruments for telegraph, 2, 153, 154
Prussia, testimonials to M., 2, 392
  telegraph in Austrian War, 463
Public ownership, M.’s plan for telegraph, 2, 84-86, 119, 175, 176
  price of offer, 86
  Congress declines to purchase, 228, 229, 232, 244, 245
Pump, M.’s invention, 1, 211

Putnam, Aaron, oration at Charlestown (1805), 1, 7. 
Putnam, I.W., as minister, 1, 213

Quarantine, M. evades French (1831), 1, 402-405
Quincy, Josiah, at memorial services to M., 2, 516

Raasloff, Capt. ——­, and M., 2, 353
Radziwill, Prince M.J., M.’s encounter with, at Rome (1830), 1, 386-389
  and Polish revolt, 389
Railroads, first mention by M., 1, 335
  M.’s invention for reporting trains, 2, 132
Ralston, Eliza, and M., 1, 88, 89
Rankin, R.G., on first view of telegraph and M.’s attitude, 2, 45-47
Ransom, W.L., from M. (1864) on loyalty, 2, 428
Raymond, H.J., and Henry-Morse controversy, letters with M. (1852), 2,
    318
Reading, M. and old poets, 1, 102
Receiver, M.’s original conception, 2, 7, 8, 18, 21
  first form, 38-40
  reversion to first plan of up-and-down motion, 61