[9]. A detailed account of this eruption, one of the most dreadful on record, is given in ‘The Polar World,’ chap. vi. p. 81.
[10]. Mallet, ‘The Great Neapolitan Earthquake of 1857,’ vol. i. p. 323.
[11]. Philosophical Transactions, vol. xlix. part i. p. 404.
[12]. It is almost superfluous to mention that in the Alps many of the peasants lead a migratory existence. During the summer they ascend, with their herds, into the higher valleys, where they remain, separated from their families, until the first night-frosts force them to return to their homes on a lower level.
[13]. ‘The Geology of South Australia.’
[14]. ‘The Sea and its Living Wonders,’ 3rd edit. p. 49.
[15]. ‘The Sea and its Living Wonders,’ 3rd edit. p. 52.
[16]. ‘Description of the Island of Saint Michael.’
[17]. ‘The Polar World,’ p. 58.