Chapter I

, although Jeremiah, li. 25. seems more appropriate.

Changed 'fumarols' to 'fumaroles' on page 137: fumarols give evidence.

Removed extra comma on page 153: of the present, epoch.

Changed 'columnal' to 'columnar' on page 176: the columnal structure.

Changed 'groves' to 'grooves' on page 183: the groves and scorings.

Changed 'Angust' to 'August' on page 212: the 27th of Angust.

Changed 'mikroskopischen' to 'mikroskopische' on page 260: über mikroskopischen Structur.

Changed 'become' to 'becomes' on page 260: the rock become a leucite-basalt.

Left inconsistent spellings of 'Baalbec' and 'Baalbeck'; 'Harrat' and 'Harrât'; 'mètres' and 'metres'; 'pitchstone' and 'pitch-stone'; 'prehistoric' and 'pre-historic'; 'Rhône' and 'Rhone'; 'sub-aerial', 'subaërial' and 'subaerial'; 'tableland' and 'table-land'.

Greek words were replaced with their transliterations: 'meson pyr' and 'Peri kosmou'.

The oe-ligature was expanded to the two separate characters: 'Euboea' and 'Boeotia'.

Left the list numbering as is at the beginning of Chapter II of Part IV, even though the list begins at item c, as if it continues the list which began in the previous chapter.