The differences between the Table of Contents and the body text have not been standardised, except as mentioned below.
The name Léville may be a variant or misspelling of (Joseph-Henri) Léveillé.
Page 10, where man has distributed the habitat: possibly an error for ... disturbed the habitat.
Page 49, changing soot-colour: possibly an error for changing to soot-colour.
Page 68, to reclaim Helen his wife: Helen was his brother’s wife.
Page 88, blotched age: there may be one or more words missing.
Page 104, Many authorities prefer ...: a closing parenthesis is missing.
Page 187, non-violent disposal of spores: possibly an error for dispersal.
Changes made:
Illustrations have been moved out of text paragraphs and some lists and tables.