Transcriber’s Note
Special characters This file uses the following special characters:
→ … ′ ″ α β γ δ ε η θ ι λ μ ν ο π ρ ς σ τ υ à é ê ï ô “ ” ‘ ’ —
If these do not display, you might try another font or browser, or use the ISO-8859-1 or ASCII text version of this ebook.
Printer errors Two printer errors have been corrected: On page [51] the word “sight” has been changed to “touch” as suggested by the sense; and on page [180] the word “universely” has been changed to “inversely”. These are marked in the text by mouse-hovers.