Transcriber’s notes: The text of this e-book has been preserved as in the original, including archaic and inconsistent spellings (although the archaic 'long s' has been replaced with an ordinary 's'), but numerous presumed typographic errors have been corrected silently. They are listed at the end of this transcription. Footnotes have been numbered consecutively and repositioned below the relevant paragraph. As many of them are exceptionally long they have been indented to differentiate them from the body text. Italic text is denoted by _underscores_, and a caret (^) indicates that the following character is superscripted in the original, e.g. N^o. A TREATISE ON THE PLAGUE AND YELLOW FEVER. _With an APPENDIX, containing_ HISTORIES OF THE PLAGUE AT ATHENS IN THE TIME OF THE PELOPONNESIAN WAR; AT CONSTANTINOPLE IN THE TIME OF JUSTINIAN; AT LONDON IN 1665; AT MARSEILLES IN 1720; &c. By JAMES TYTLER, Compiler of the Medical Part of the Encyclopædia Britannica. Let every one, Physician or not, freely declare his own sentiments about it; let him assign any credible account of its rise, or the causes strong enough, in his opinion, to introduce so terrible a scene. THUCYDIDES. ‘Twas all the business then To tend the sick, and in their turns to die, In heaps they fell. ARMSTRONG. _Published according to Act of Congress._ _SALEM_: PRINTED BY JOSHUA CUSHING, FOR B. B. MACANULTY. 1799. CONTENTS. PART FIRST. _Of the_ Asiatic _or_ True _Plague_. SECTION I. Page _Of the Plague in general.--Inquiry into the Antiquity of the Distemper.--Of the Plagues mentioned in the Old Testament.-- History of several remarkable Plagues which, at various times, have desolated the world._ 1 SECTION II. _Of the Countries where the Plague is supposed to originate.-- The Influence of Climate in producing Diseases.--And of the Moral Conduct of the Human Race in producing and influencing the same._ 21 SECTION III.