Transcriber’s Notes:
Minor errors and omissions in punctuation have been fixed.
Inconsistent hyphenations have been maintained from the text.
Inconsistencies and errors in spelling have been maintained from the text.
[Page 288]: “Guinaldi (J.)—Dell’ Alchimia Opera. 4to. Palermo, 1645.” placed in alphabetical order.
Corrections related in the Preface by specific page and line refer to the following corrections in the chapter on Eirenæus Philalethes:
“secrets in the year 1643” was intended to read “secrets in the year 1645”
“asserted to read trigesimo anno” was intended to read “asserted to read anno trigesimo tertio”
“instead of vigesimo anno” was intended to read “instead of anno vigesimo tertio”