Transcriber's Note

The printed text contained both footnotes and endnotes. These have been renumbered in continuous series of Roman and Arabic numerals respectively.

Corrected errata are listed at the [end] of the text.

The following List of Contents has been added by the transcriber:

[RELIGIO MEDICI]
[HYDRIOTAPHIA]
[A LETTER TO A FRIEND]
[NOTES TO THE RELIGIO MEDICI]
[NOTES TO HYDRIOTAPHIA]
[NOTES TO LETTER TO A FRIEND]