"Old Swedes'" Church, Philadelphia, Pa., i. 171. Old Tampa Bay, Fla., i. 392. Old Town, Md., i. 89. Old Town, Me., iii. 268. "Old Tippecanoe," i. 20, 407. Old Warwick, R. I., iii. 105. Olentangy River, i. 402. Oleopolis, Pa., i. 337. Olier, Jean Jacques, ii. 426, 428. "Olympia," the, ii. 374. Olympia, Washington State, iii. 512. Omaha Indians, iii. 385. Omaha, Nebraska, iii. 385. Onas, Indian name for William Penn., i. 155. Oneida Community, ii. 353. Oneida Indians, i. 305; ii. 377. Oneida Lake, N. Y., ii. 352. Oneonta Cataract, Cascade Mountains, iii. 484. Onion River, ii. 303. "One Thousand Mile Tree," Utah, iii. 473. Onondaga Creek, N. Y., ii. 357. "Onondaga Factory-filled Salt," ii. 356. Onondaga Indians, ii. 337, 357. Onondaga Lake, N. Y., ii. 354. Ononta Lake, Mass., ii. 248. "Onrest," the, ii. 90. Onti Ora, ii. 185. "On to Richmond," i. 100. Opalescent River, ii. 236. "Opes," ii. 248. "Ope of Promise," Mass., ii. 248. Oquaga Creek, N. Y., i. 271. Orange, Va., i. 124. Orange Geyser, Yellowstone Park, i. 489. Orchard House, Concord, Mass., iii. 69. Order of Ursulines, ii. 429. Oregon City, Oregon, iii. 512. Oregon National Park, iii. 513. "Oregon Trail," iii. 512. Orient Point, Long Island, N. Y., ii. 118. Orlando, Fla., i. 387. Ormeau, Dullard des, ii. 446. Ormond, Fla., i. 377. Ortiz, Juan, i. 362. Osceola, Indian chief, i. 350, 389. Osage River, iii. 392. Osgoode Hall, Toronto, Canada, ii. 408. Osawatomie, Kan., iii. 388. Ossipee Mountains, N. H., iii. 216. Oswego, N. Y., ii. 353. Oswego River, ii. 353. Oswegatchie River, ii. 417. "Ote-sa-ga rock," i. 295. "Ote-se-on-teo," i. 272. Otetiani, Indian chief, ii. 339. "Otis Elevating Railway," ii. 184. Otis, James, iii. 39. Otisco Lake, N. Y., ii. 357. Otsego Lake, N. Y., i. 295. Ottawa, Canada, ii. 450. Ottawa River, ii. 420, 421, 444. Otter Lake, iii. 482. Ouananiche, ii. 507. Ouiatchouan River, ii. 506. "Ouisconsing," i. 462. Oulichan, the, iii. 499. Oonalaska, Alaska, iii. 507. "Our Country's Call," i. 100. "Our Lady of Roberval," Canada, ii. 505. "Overslaugh," ii. 199. "Over the Rhine," iii. 332. Owasco Lake, N. Y., ii. 358. Owen, William Fitzwilliam, iii. 274. Owl's Head, Canada, iii. 183. Oyster Bay, N. Y., ii. 95. "Oyster Navy," i. 81. "Oyster Pond Point," Long Island, N. Y., ii. 118. "Oyster war," i. 81. Oysters, i. 81, 87. Ozark Mountains, Ark., iii. 404. Pabst Brewery, Milwaukee, Wis., i. 464. Pacific Mills, Lawrence, Mass., iii. 80. Packer, Asa, i. 224, 226, 233, 235.