RARE nice set of first edition of Morton’s 2 volume treatise on fevers Richard Morton [Pyretologia] seu exercitationes de morbis universalibus acutis. London: Samuel Smith, 1692 (80)+430+(18) pp; 2 folded tables (with little tears), missing frontispice portrait (xerox added) Newer binding in red cloth (20x12cm, shelf worn, front cover bit loose); ex-library (on spine: ‘Birmingham Medical Institute’), foxing, pages yellowed [Pyretologias], pars altera: sive, exercitatio de febribus inflammatoriis universalibus. London: Samuel Smith & Benjamin Walford, 1694 (48)+511+(1)+(16) pp; frontispice portrait (engraved by R. White) Newer binding in red cloth (20x12cm, shelf worn); portrait & title page a bit soiled; worm hole lower margin first pages (without loss of text); ex-library (on spine: ‘Birmingham Medical Institute’), foxing, pages yellowed Morton’s “Pyretologia or general treatise on fevers” contains many interesting cases (including an account of his own illness in 1690) and one of the most systematic and thorough accounts of the malarial fevers of that date