Nobles, Aztec, i. 33. Entertain minstrels, buffoons, and jugglers, 171, _note_. Treatment of, by Nezahualcoyotl, 183. Their manners, 192, ii. 254. Tlascalan, ii. 105, 106, _note_. Chivalrous act of Aztec, 112. Aztec, meet Cortés, 249. Bear Montezuma in a palanquin, 251, 254. Must reside in Mexico, 285. Attend on Montezuma, 300. Massacre of, iii. 88. Six, deputed to Tlascala, 219. Delivered up, and sent to Guatemozin, 283. Sent to Guatemozin, iv. 66, 90. Four hundred, hung, 142. Accompany Cortés to Spain, 212. Noche triste, iii. 169-182. Nootka, dialects there, i. 253. Northmen visit America, i. 228, _note_. Notation, i. 124, 130. Numeration, among the Aztecs, i. 124. Nuñez, Cortés’ page, challenged, iv. 71. O Oaxaca, plantation for the crown at, ii. 373. Embassy from, iii. 232. Mineral wealth of, iv. 133. Marquis of the Valley of, 220. Ober. Cited, i. 152, _note_, 266, _note_. Observatory, Nezahualpilli’s, i. 216. Obsidian, Mexican tools made of, i. 155. Ocelotl, Humboldt on the, i. 247, _note_. Ohcacautin, i. 33, _note_. Ojeda, at the evacuation of Mexico, iii. 180, _note_. Olea, Cristóval de, saves Cortés, iv. 43. Oleron, on the laws of, ii. 209, _note_. Olid, Cristóval de, sent in search of Grijalva, i. 295. Joins Cortés, 322. Noticed, 349, iii. 19, 60, 96, 119, 122, 162, 170, 175, 200. Detached to Quauhquechollan, 227, 230, _note_. His countermarch on Cholula, 228. Sandoval and, iii. 296. Reconnoitres Mexico, 304. At Cuernavaca, 335. Conspiracy against, 357. Takes post at Cojohuacan, 367, 376. Demolishes the aqueduct, 374. Enmity between Alvarado and, 373. His expedition to Honduras, iv. 171. Defection of, 175. Beheaded, 176. Olmedo, Bartolomé de, Father, notice of, i. 337. His efforts to convert the natives, 337, 356, ii. 22, 90. Interposition of, ii. 97, 170, 172, 325. Character of, 97, 172. Performs mass, 334, iii. 17. Attempts to convert Montezuma, 364, iii. 14, 147. Mission of, to Narvaez, iii. 41. Meets Cortés, 49. Goes against Narvaez, 63. Before Cortés, in behalf of the soldiers, 76. Urges Montezuma to address the Aztecs, 122. Visits the expiring Maxixca, 235. Sermon by, after the surrender of Mexico, iv. 111. Last years of, 153. Oral tradition, connection of, with Aztec picture-writing, i. 113, 123. Embodied in songs and hymns, 123. Ordaz, Diego de, i. 322. A spy on Cortés, 322. To ransom Christian captives, 333. Commander of infantry in the battle of Ceutla, 349. Charges the enemy, 354. In irons, ii. 32. Attempts the ascent of Popocatepetl, 225. Escutcheon of, 227. Visits Montezuma with Cortés, 263. To settle Coatzacualco, iii. 77. Joins Cortés at Tlascala, 79. Chivalrous, 119. Storms the great temple, 129. At the evacuation of Mexico, 162, 167, 175. Ordinances for the government of New Spain during Cortés viceroyalty, iv. 157, _note_. Orizaba, the volcano, ii. 34, 89, 187.