Darwin, his work and influence : a lecture delivered in the hall of Christ's College, Cambridge / by E. A. Parkyn.

Licence: Public Domain Mark

Credit: Darwin, his work and influence : a lecture delivered in the hall of Christ's College, Cambridge / by E. A. Parkyn. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.