Zurich, University of, _see_ University of Zurich THE END Transcriber’s Notes Page 120: “to lecures in 1851” changed to “to lectures in 1851” Page 327: “especially on rainly days” changed to “especially on rainy days” Missing period were added at the end of a few sentences. The index reference for Dr. Elder was corrected to 211 (instead of 21). Footnotes 28 and 29 were numbered and moved to the Notes section with the other footnotes. All other footnote numbers have been retained as in the original, though they appear out of sequence in the original text.