Variant and obsolete spellings were not changed. Footnotes were renumbered sequentially and moved to the end of the chapter in which the related anchor occurs. Illustrations that fell within paragraphs were moved to precede or follow the paragraph, and in some cases no longer occur on the page number listed in the List of Illustrations. A few index entries are not listed in alphabetical order.
Deleted duplicate words:
[a] - ‘and and’ ... bottom of the sea, and in which ...
[b] - ‘the the’ ... march boldly on the enemy,...
[c] - ‘of of’ ... The stomach of the carnivorous ...
Added:
Missing periods, quote marks, and commas to sentences, illustrations and index entries.
[d] - ‘F’ to ‘IXED’ in Table of Contents for Chapter 3.
[e] - Second ‘as’ to ‘... it attacks great as well as little ...’
[f] - Page number to index entry for Apterychtus ocellatus