390
INDEX.
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disturbances and dislocations of solid objects, observed with reference to direction and range of disturbance, and to mechanical conditions in play, must afford the means of tracing back from these effects the directions, velocities, &c., of the movements or forces that caused them, i. 8. Earthquake of Dec. 1857, preceded by several minor shocks, i. 201; lying wonders about the, i. 286.
Earthquake night, an, ii. 7.
Earthquake, first approximate calculation of the depth of focus of, ii. 45; synoptic table of disasters of the, in the district of Sala, ii. 161; meteorology and its relations to, ii. 165; perturbations of rain-fall in relation to, ii. 168, 169; suggestions as to probable connection, ii. 170, 171; modifications of, in dry countries, ii. 172; historic confirmations of, ii. 174; of Dec. 16, 1867, translation of all the notices on the, in the 'Giornale del Regno delle due Sicilie,' ii. 213—230.
Earthquakes, action upon architectural structures, i. 25; of ancient Rome, i. 115; dates of Italian, i. 82; since the commencement of the twelfth century, i. 200.
Earthquakes not agents of permanent elevation, ii. 321; not necessarily fatal, and not curses, ii. 385.
Earth's surface, effects at the, ii. 268.
Eboli, synclinal beds of limestone developed upon the grandest scale near, i. 237; buildings of the Locanda di Vozzi at, i. 240, 241 ; wave-path at, i. 242; church at, i. 243; evening with Signor Palmieri at, i. 244; limestone breccia near, i. 244; return to, after completing entire circle round the earthquake focus, ii. 146.
Elasticity of materials in buildings, effects due to, i. 91.
Elastic wave of shock, i. 10.
Elevation, earthquakes not agents for permanent, ii. 321.
Emergence, shocks of vertical or nearly vertical, effects on rectangular buildings, i. 75; steep, acting on large arches, i. 119; nearly vertical, i. 124.
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Emergence, angle of, obtained, i. 157, 160.
Emergences, determined at Villa Camao, i. 249; stations for, ii. 249, 250.
Evidences fitted for observation, i. 13.
Extraneous support in relation to bodies projected, i. 17. Factors for coefficients, table of, i. 151.
Falls, modes of, i. 110.
Fino, Don Andrea del, entombment of, alive, ii. 7.
Fiodo's, Signor, regulator clock, how affected Dec. 16, i. 213.
Fissures, in buildings not overthrown, the sheet anchor, as respects direction of wave-path, to the seismologist, i. 24; widths of, deductions drawn from, I. 40—42; difference of, at opposite ends, i. 47; peculiarity of; i. 60; eight main, alternately wide and narrow, often observable in a rectangular building exposed to an abnormal wave, i. 62; diagonal, i. 118; deep, filled up, effects of, ii, 265; in the earth are initial landslips, ii. 363; radiating, formation of, in the earth, ii. 365; rock,
ii. 366.
Fissures and mountains, effects of, ii. 352.
Flexibility of materials in buildings, effects due to, i. 91.
Floors and roofs, relations of, i. 102.
Floors, forces in the plane of, and transverse to same, i. 105.
Floors over each other, i. 106; fissures in, valuable indices, i. 109; observation of, only second to that of the walls, i. 109; at Palazzo Falmieri, i. 306.
Focal cavity, depth of; found, ii. 251; various forms of the, ii. 269; inclined, ii. 270; dimension of, ii. 289; approximation to form and size of, ii. 292; probable dimensions, form, and subterraneous position of, deduced, ii. 304; temperature of the, and intensity of the force that acted within it, ii. 309.
Focus of wave-path, inland, reiterated proofs of, i. 216.
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