sketching tour, happy life, 350
    rhapsody on Subiaco, 361
    on monks, 352
    on rudeness of Roman soldiers, 353
    on Roman lotteries, 354
    on festa inflorata at Genzano, 354-359
    on Campagna at night, 359
    on summer day at Rome, 360
    on illumination of St. Peter’s, 360
    on St. Peter’s day, 361-363
    at Naples (1830), 363
    at Amalfi, on accident there, 364-367
    on Campo Santo at Naples, 367-369
    on Convent of St. Martino, rhapsody on view, 369, 370
    on Spagnoletto’s Dead Christ, 370
    on Roman revolt and danger to foreigners, 376, 380-385, 397
    on Roman New Year, 377
    discussion with Catholic convert, 377
    on election and coronation of pope, 378, 380, 381
    spectator at historic events, 379
    journey to Florence during revolt (1831), 384-386
    getting permission to remain there, 386
    on encounter with Radziwill at Rome, 386-389
    work at Florence, 390
    on travel in Italy, 391
    on Bologna, 391
    on journey to Venice by Po, 391-393
    on Venetian sights and smells, 393
    moralising on Venetian society, 393
    homesick, 395
    travel to Milan, 395
    at Recoaro, 396-398
    on gambling priests, 396
    on Milan, 398
    on sacred pictures, 399
    at Italian Lakes, 400
    in Switzerland, on Rigi, 400, 401
    avoids French quarantine, 402-405
    on Paris after the revolution, 405
    and Greenough at Paris, 407, 412
    on Lafayette and Polish revolt, 408
    on Lafayette’s health (1831), 408
    on Paris mob, 409-411
    and R.W.  Habersham, 417
    and cholera, 417, 422
    painting of interior of Louvre, 421, 422, 2, 27, 28
    meets Humboldt, 1, 423
    presides at Fourth dinner (1832), toast to Lafayette, 423-425
    letters published in brothers’ paper, 425
    on Cooper’s patriotism, 426-428
    on European criticism of America, 428, 429
    active interest in Poles, 430
    at London (1832), 432
    on growth of London, 432
    sits to Leslie, 433
    recovers health, 433, 2, 4
    voyage home, 3, 5, 17
    on England, 4
  Scientific career to 1844:
    early interest in electricity, 1, 18
    invention of pump, 21
    early longing for telegraph, 41
    studies with Silliman, 236
    machine for carving marble, 245, 247
    and Dana’s lectures on electricity (1827), discussions with Dana, 290
    familiarity with electrical science, 29
    thoughts (1821-31) connected with future invention of telegraph, 236,
      324, 335, 394, 395, 402
    first conception of idea of telegraph (1831), 417-421, 2, 8
    experiments with photography, 1, 421, 2, 129
    divisions of life, trials of scientific life, 1, 434, 2, 1, 2,