Admiralty tide tables, 29
Africa, Krakatoa dust over, 84
Analysis, harmonic, of tides, 34
Analysis of tide into its constituents, 33
Ancient tides on moon, 136
Annus Magnus of solar system, 72
Areas, conservation of, 61
Arklow, tides at, 23
Ascension, tides at, 24
Astronomical chronology, 147
Atlantic, Krakatoa dust over, 84
Atlantic, tides in, 38
Atmosphere, tides in, 40
Avon, tides in, at Bristol, 39

Ball-room, illustration, 62
Barometric records of Krakatoa airwave, 82
Batavia, Krakatoa heard at, 83
Bath, hot waters at, 89
Bay of Fundy, 39
Beds of rock, how formed, 149
Birmingham, lecture at, 148
Birth of moon, 118
Blast iron furnace, 87
Blue sun produced by Krakatoa, 84
Bodily tides of moon, 131
Brake illustrating friction, 68
Brickwork as a non-conductor, 87
Bristol Channel, 39
Bucket of water, oscillations in, 98

Cambrian rocks, 153
Cannon-ball, energy of, 51
Cardiff, tides at, 39
Caspian Sea, tides in, 38
Casting, cooling of, 79
Celebes, Krakatoa heard at, 83
Central America, 86
Change and full, tides at, 22
Chemical action in earth, 81
Chepstow, tides at, 39
Chronology, the two systems of, 147
Clifton, tides in Avon at, 39
Clock, illustration of, 49
Coal, 11
Coincidence of moon's rotation and revolution, 134
Combustion, heat of, 92
Cones, volume of, 151
Conservation of spin or areas, 64
Constituent tides, 35
Consumption of energy by tides, 48
Cooling, laws of, 79
Cooling of earth from primitive heat, 87
Crane, brakes on, 69
Craters of moon, 94
Critical epoch in earth's history, 75

Darwin, 12
Darwin, G. H., in Admiralty Manual, 34
Darwin, G. H., on tidal evolution, 97, 118, 122, 151, 185
Day and month equal, 107
Day at present increasing, 68
Day of 1400 hours, 121
Day of 3 or 4 hours, 75
Decline of earth's heat, 90
Diagram showing why moon recedes, 70
Diego Garcia, Krakatoa heard at, 83
Difficulties of tidal evolution, 48
Dives and Lazarus, 161
Dust clouds, 84
Dynamical principle, 65
Dynamical stability, 110

Earth and moon as rigid body, 107
Earth a fly-wheel, 57
Earth, fusion of, 12
Earth, heat of, 80
Earth in highly heated early state, 92
Earth's crust, Lyell on, 12
Earth's history, 12
Earth-moon system originally, 107
Earthquakes, 80
Eccentricity of moon's path explained, 184
Ecliptic, obliquity of, explained, 184
Economic aspects of tides, 45
Egg on end, 108
Elliptic orbit of moon, 113
Endowment of moment of momentum, 167
Energy for tides, whence,