Transcriber’s Notes

--Copyright notice provided as in the original—this e-text is public

domain in the country of publication.

--In the text versions, delimited italics text in _underscores_ (the

HTML version reproduces the font form of the printed book.)

--Silently corrected palpable typos; left non-standard spellings and

dialect unchanged.

Discovery at Aspen · 第 11 / 12 题