This e-text is based on the 1922 edition. Minor errors in punctuation and hyphenation, particularly inconsistencies in citations, have been tacitly corrected. Uncommon spellings (‘developes’ for ‘develops’, etc.) as well as incorrect spellings in foreign languages have not been altered. Inconsistent (but not erroneous) hyphenation (e.g., ‘foot-hills’/‘foothills’) and use of diacritical marks (‘Anchinoe’/‘Anchinoë’) have been retained. Italic passages in the original version has been placed between underscores (_italic_); text in small caps have been symbolised by forward slashes (/small caps/). Bold numbers in the bibliography have been highlighted using equals signs (=bold=).…
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