Footnotes have been collected at the end of each chapter, and arelinked for ease of reference.

Appendix III has a set of end notes, which have been linked forease of navigation.

Minor errors, attributable to the printer, have been corrected. Pleasesee the transcriber’s note at the end of this textfor details regarding the handling of any textual issues encounteredduring its preparation.

The cover image has been modified to include information from thetitle page and, so modified, placed in the public domain.

Any corrections are indicated using an underlinehighlight. Placing the cursor over the correction will produce theoriginal text in a small popup.