Experiments and Observations on Quilled and Red Peruvian Bark: Among Which Are Included Some Remarkable Effects Arising is a book written by Thomas Skeete and published in 1786. The book is a detailed account of Skeete's experiments and observations on the medicinal properties of two types of Peruvian bark: quilled and red. Peruvian bark was used in the treatment of various diseases, including malaria, and Skeete's research aimed to explore its effectiveness...