Nails, horseshoe, rings of, 110, 326 Names of rings in ancient and modern India, 78, 79 in various modern languages, 364–365 “_Naoratna_” (_navaratna_) ring, 78, 321 Napoleon memorial rings, 47, 48 Napoleonic rings, 173 Narwhal tusk, rings of, 341 Natal rings, 90, 91, 328, 329 “Nathan der Weise,” tale of rings in, 346, 347 National Geographic Society, 83 National Hungarian Museum, 16, 318 National Museum at St. Germain-en-Laye, 121 National Museum, Washington, D. C., 85 Navajo Indians, rings of, 22–30 Nelson, Admiral Horatio, memorial rings of, 44 Nero, signet of, 130 New Gallery, London, 225 New York Historical Society, 118 Newall, Edward T., viii Nibelungen Ring, 303 Nider, Johann, legend of miraculous nun’s ring in his Formicarius, 286 Niello, how made and applied, 271 Nippur, record of emerald ring found at, 4, 5 Noe, Sydney P., viii Norfolk, Duke of, donates ring of James IV of Scotland, 181 Numa Pompilius, iron rings worn in age of, 10 rings on statues of, 52 Nuns’ rings, 284–286 O Ohio State Archæological and Historical Society, 19 Ominous substitution for a wedding ring in a Scotch legend, 226 “Oneirocritica” of Artemidorus, 37 Onyx, 39, 111, 158, 159, 328 Opal, 86, 227, 269, 291 Orders and societies, rings of, 332, 333 Origin of the ring, 1–32 Ostby & Barton Co., ix Othman, loses Mohammed’s seal, 141 Otto III of Germany, orders disinterment of Charlemagne’s remains, 302 Overbury, Sir Thomas, 189 Ovid, portrait ring of, 57 on a ring gift, 193 Owen, Sir Richard, 196 P “Pacifying ring,” 233 Papal rings, 262–265 Passion, healing ring with emblems of the, 348, 349 Pearl, 34, 50, 60, 78, 87, 114, 180, 236, 252, 334, 335 figured on portrait of Queen Mary I of England, 60 Peary, Admiral Robert E., ix Pectunculas shells, rings made of, 17 Pelissier, Georges, ix Pembroke, William Herbert, Lord, enjoins in his will that his widow shall enter order of widowhood, 286 Pepys, Samuel, his bequest of rings to his friends, 41 Perfume rings, 38 Peridot (chrysolite), 21, 86, 227, 335 Persian rings, 2, 80, 103, 116, 122, 123 Perugia, betrothal ring of the Virgin at, 100, 222, 258–261 Peruvian rings, 83 Pesaro, Antonio, 61 Peters, Rev. Dr. John P., viii, 160 Peters, Miss Joan St. Michael, signet owned by, 160 Petrarch, on ruby ring of John II of France, 164 Petrie, William Flinders, ix Phenacite, 86 Philip II of Spain, ring sent to by Mary, Queen of Scots, 185, 186 at consecration of “cramp rings,” 245 Philostratus, Flavius, 296 Phocus, ring of, 9 Phœnician rings, 68, 121 Physicians’ rings, 345 Piccolomini Collection, 71