1. P. 207, Added header “The Survey, Volume 30, Number 6, May 10, 1913”
2. Silently corrected obvious typographical errors and variations in
spelling.
3. Retained archaic, non-standard, and uncertain spellings as printed.
4. Re-indexed footnotes using numbers.
5. Enclosed italics font in _underscores_.
6. Enclosed bold font in =equals=.