corrigenda

Editorial corrections listed in the Corrigenda have been made in the text.

However, all spelling changes listed in the Corrigenda have been made in this etext.

The corrigenda et addenda listed on page xvi have been applied to the text.

Variations and Corrigenda are as follows: The colophon (312,d) is in original given on Eii.

Corrigenda: The corrections listed therein have been applied to the text.