Transcriber’s Note:

The text from the original publication from which this eBook was derived has been retained as published specifically where:

• the text appears to be missing a number of articles and prepositions
• in several instances, subject and verb are not in agreement
• some apostrophes for ownership are missing
• inconsistencies appear between chapter headings and the body text
• there are anomalies in punctuation

Fractions on pages 63 and 143 have also been retained as printed in the original publication, i.e. 62 1-2, 1-12, 18-12 and 1 1-2.

The following changes have been made: