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 Encyclopaedia Britannica. [Six lines of quotations] Published according to act of Congress.