Cooper, Peter, America's first businessman, xi, 233; as a glue-manufacturer, xi, 244; as an inventor, xi, 245; boyhood of, xi, 237; marriage of, xi, 242; public services of, xi, 253; Benjamin Franklin compared with, xi, 234; Cyrus W. Field and, xi, 235; Matthew Vassar and, xi, 242; R. G. Ingersoll and, xi, 259. Cooper Union, the, xi, 255; Faneuil Hall compared with, xi, 258. Copernicus, Nicholas, parentage of, xii, 101; epitaph of, xii, 120; at Frauenburg, xii, 111; Columbus and, xii, 107; King Sigismund of Poland and, xii, 112; Novarra and, xii, 104; Pythagoras compared with, x, 92; the teachings of, xii, 49. Copley, the Boston artist, iv, 304. Copperheads, definition of, iii, 287. Coquetry, flirtation and coyness, differentiated, xiii, 235. Corday, Charlotte, i, 75; assassination of Marat by, vii, 227. _Coriolanus_, Shakespeare, i, 317. Corn Laws, John Bright on the, ix, 216. Cornwall, Barry, v, 55. Cornwallis, General, Washington's friendship for, iii, 27; monument of, i, 314; quoted, iii, 242. Corot, Camille, iv, 339; early efforts of, vi, 187; compared with other painters of the Barbizon School, vi, 217; good-nature of, vi, 198; friend of Millet, iv, 281; landscapes of, vi, 137; life of, at Barbizon, vi, 212; parents of, vi, 193; poetical character of, vi, 204; style of, vi, 214; Constable, the English painter, and, vi, 201; Claude Lorraine and, vi, 201; Achille Michallon and, vi, 198; Jean Francois Millet and, vi, 213; George Moore and, vi, 205; Turner compared with, vi, 189; Walt Whitman compared with, vi, 190; letter to Stevens Graham, vi, 187, 205; at the siege of Paris, vi, 190; tribute to his mother, vi, 198. Corporal punishment, v, 75. Correggio, iv, 99; Leonardo and, vi, 233; John Ruskin and, vi, 222; place of, among artists, vi, 244; "putti" of, vi, 240; _The Day_, vi, 222; Ludwig Tieck on, vi, 220. Correggio, village of, vi, 236. Correlation of forces, law of, xii, 272. Cortelyou, George B., xi, 181. Corwin, Tom, on Mexico, xi, 149. Cosmic consciousness, vii, 292. Cosmic urge, the, x, 304. _Cosmos_, Humboldt, xii, 159. _Cotter's Saturday Night_, Burns, i, 69; v, 104. Cotton, Rev. John, ix, 294; ix, 338. Country, advantages of, ii, 239; liberty of the, iii, 280; life in the, xi, 171. _Country Doctor, The_, Balzac, xiii, 276. Courage, v, 174; vi, 25. Courtesy compared with genius, ii, 49. _Courtier_, Castiglione, v, 258. Covenant, of grace, ix, 346; of works, ix, 346. Covetousness, v, 238. Cowden-Clarke, Mary, ii, 233. Cowley's _Elegy on Sir Anthony Van Dyck_, iv, 172. Craik, Dr., Washington's acquaintance with, iii, 26. Crane, Stephen, ii, 253; xiv, 80; Aubrey Beardsley compared with, vi, 73; Frederic Chopin compared with, xiv, 81; Chancellor Symms and, v, 300. Cranks, v, 111. Crapsey, Dr. Algernon S., on truth, xi, 319. Crassus and Pompey, vii, 50. Crawford, Captain Jack, x, 249.