us, Grotto of, 75
Population, 31-33
Position of Etna, 2
Presl's _Flora Sicula_, 41, 42

Radius of Vision, 28
Randazzo, 68, 69
Recupero, 17
Recupero's Account of Eruption, 99
Refraction, Effects of, 59, 60
Regions of Etna, 37-42
Regione del Fuoco, 37
River, Acis, 73
Road around Etna, 29
Rocca di Musarra, 98
Rocks of Cyclops, 75
Rutley's, Mr. Frank, Analysis of Lavas, 135-141

St. Agatha, Veil of, 83
" Maria di Licodia, 64
S. Niccola, Monastery of, 92
S. Simone, 102
Salto della Guimenta, 106
Sand, Volcanic, Analysis of, 131
" Specific Gravity of, 130
Scogli di Ciclopi, 75
Scoriae, Volcanic, Analysis of, 131
" Specific Gravity of, 130
Serra delle Concazze, 59
" del Solfizio, 59
" di Giannicola, 107
Serrapizzuta, 89
Sicilian Inns, 65, 67, 69
Siderazote, 133, 134
Silvestri, Researches of, 25
Simeto, Valley of, 67
Smyth, 18
Smyth's Observations, 2
Snow of Etna, 59
Specific Gravity, Alteration of, 130
" " of Ejectamenta, 130
Strabo, 6
Stars, Brilliancy of, 48, 49
Stato Maggiore, Map of, 24
Sulphur in Sublimations, 132
Sublimations from Fumaroles, 132
Summit of Cone, 53, 54
Sunrise seen from Summit, 54, 55

Tacchini, 50
Taormina, 71
Tertiary Sandstone of Bronte, 67
Thucydides, 5
Titaniferous Iron, 127
Torre del Filosofo, 10, 59
Towns on Etna, 31
Trezza, 75
Trifoglietto, Axis of, 121
Trunks of Large Chestnuts, 39

Val del Bove, 34, 71, 98, 100, 119-121
" Serbo, 103
Valley of Alcantara, 69
Virgil, 5
Vision, Radius of, 28
Volcano, Growth of, 123
Von Waltershausen, 23, 120
Vulkanen Atlas, 116

Winchelsea, Lord, 12, 94, 95
Woody Region, 38

_Zeolite dure_, 127
Zones of Temperature, 38

* * * * *

Transcribers Notes:

OE ligatures have been written as two letters. The chemical formulae
in this text have subscripts written in curly brackets. For example,
water appears as H{2}O.

Passages in italics indicated by _underscores_. Passages in Greek
indicated by ~tildes~.

Printer's errors corrected and other transcription points as follows:

Page Correction
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- Some arcane spelli