Table of Contents: Error in original lists 'Chapter XIII.' as starting on page 119; changed to 118 for actual starting page in book.
Page 7: word 'due' added to text (impossibility due to)
Page 120: word 'hat' changed to 'bat'
Table of Contents: Error in original lists 'Chapter XIII.' as starting on page 119; changed to 118 for actual starting page in book.
Page 7: word 'due' added to text (impossibility due to)
Page 120: word 'hat' changed to 'bat'