Footnotes have been moved to the end of the text and relabeled consecutively through the document.

Illustrations have been moved to paragraph breaks near where they are mentioned.

Figure No. 2 comes before figure No. 1 in the text.

Punctuation has been made consistent.

Variations in spelling and hyphenation were retained as they appear in the original publication, except that obvious typos have been corrected.

Changes have been made as follows:

p. 45: Aulubitz changed to Aulibitz (to Aulibitz and)

p. 105: ShÖnkirchen changed to SchÖnkirchen (at SchÖnkirchen. The)