A map of the area of Villcabamba, Ecuador, illustrated with buildings, rivers, people, animals and flowering plants and trees. Watercolour.

Further information on the subject is filed with the prints

For the history of quinine see further: A.W. Haggis, Fundamental errors in the early history of Cinchona, Bulletin of the history of medicine, 1941, no. 10, p. 568 and S. Jarcho, Quinine's predecessor - Francesco Torti and the early history of Cinchona, Baltimore and London 1993

1934

1 painting : watercolour

Wellcome Collection 16313i