Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
A profile of an old mentally disabled man, skulls of various races, skulls of a monkey and an orangutan, and a perfect, diagrammed human face; demonstrating the methods of physiognomy. Coloured engraving by H. Adlard, 1824. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.