Skull of Australopithecus africanus (Mrs Ples).
<ol><li>Size of the brain</li></ol>
<a href="//commons.wikimedia.org/wiki/User:Editor_at_Large" title="User:Editor at Large">User:Editor at Large</a>
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Australopiteco.gif" title="File:Australopiteco.gif">File: Australopiteco.gif</a>