Essays Medical and Experimental: On the Following Subjects : 1. On the Columbo Root. 2. On the Orchis Root. 3. On the Waters of Buxton and Matlock ... 4. On the Medicinal Uses of Fixed Air. 5. On the Antiseptic and Sweetening Powers ... of Factitious Air. 6. On the Noxious Vapours of Charcoal. 7. On the Atrabilis. 8. On Sea Salt. 9. On Coffee. To which are Added, Select Histories of Diseases ..., Volume 2