, Analysis of, 128
Analcite, 127
Analysis of Augite, 126
" " Labradorite, 125, 126
" " Olivine, 127
" " Titaniferous Iron, 127
" " Analcime, 128
" " Mineral Oil, 129
" " Volcanic Ashes, 131
" " Lava, 131, 132
" " Sand, 131
" " Scoriae, 131
" Microscopic, of Lavas, 135-141
" " Siderazote, 133, 134
" " Sublimations, 132
" " white friable substance, 133
Anapias, 80
Arethusa, Fountain of, 85
Ascent, Fatigue of, 60
Ashes, Volcanic, Analysis of, 131
" " Specific Gravity of, 130
Atlas des Aetna, 23
Augite, Analysis of, 126
Axis of Mongibello, 119, 122
" " Trifoglietto, 119, 122

Baltzer, 24
Basalt, Columnar, 75
Base, Circumference of, 30
Belpasso, 63
Bembo, Cardinal, 10
Biancavilla, 65
Boccarelle del Fuoco, 36
Bocche eruttive, 110
" del Fuoco, 36
Borelli, 90
Bosco di Bronte, 99
Botanical Regions, 40-42
Boundaries of Etna, 29
Brilliancy of Stars, 48, 49
Bronte, 67, 68
Brydone, 15

Campi Phlegraei, 14
Campus Piorum, 80
Cardinal Bembo, 10
Carpinetto, Forest of, 39
Carrera, 12
Casa del Bosco, 48
" Inglesi, 51, 52
Castagno di Cento Cavalli, 39
" della Galea, 39
Catania, 76-78
" Destruction of, 94-96
Caverns of Etna, 37
Cavern of Thalia, 37
Centenario, 108
Chestnuts, 39
Circumference of base, 30
Cisterna, 101
Coltivata, Regione, 37, 38
Cones, Minor, 34-36
Crater of Elevation, 114
" of Eruption, 114
" The Great, 56-58
Craters, Minor, 34-36
Cultivated Region, 38
Cyclops, Rocks of, 75

Decomposed Lava, Analysis of, 133
Desert Region, 39, 40

Effects of Refraction, 59, 60
Elevation, Crater of, 114
Elie de Beaumont, 21
Elie de Beaumont's Classification, 115, 116
Empedokles, 10
Errors in Maps, 24
Eruption, Crater of, 114
Eruptions, General Character of, 112
" Number of, 113
Etna, the Home of Early Myths, 9
" a Submarine Volcano, 122
Enceladus, 4

Fatigue of Ascent, 60
Fazzello, 11
Ferrara, 15, 16
Filoteo, 11
Flood of 1755, 98
Forest of Carpinetto, 39
Fratelli Pii, Cone of, 111
Fumaro