Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Animal coloration : an account of the principal facts and theories relating to the colours and markings of animals / by Frank E. Beddard. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.