Obvious punctuation and spelling errors repaired.

Inconsistent hyphenation has been repaired.

This text contains ae ligatures and Greek characters which have been left as they appear in the original book. If they do not display properly, you may have an incompatible browser or unavailable fonts. Make sure that the browser's "character set" or "file encoding" is set to Unicode (UTF-8). You may also need to change your browser's default font.

The remaining corrections made are indicated by a dotted red line under the correction. Scroll the mouse over the word and the original text will be displayed.