A comparative view of the human and elephant frame
<a href="https://en.wikipedia.org/wiki/Benjamin_Waterhouse_Hawkins" class="extiw" title="w:Benjamin Waterhouse Hawkins">Benjamin Waterhouse Hawkins</a>
1860
<p><a rel="nofollow" class="external text" href="http://digicoll.library.wisc.edu/cgi-bin/HistSciTech/HistSciTech-idx?type=turn&amp;entity=HistSciTech.CompAnat.p0021&amp;id=HistSciTech.CompAnat&amp;isize=S">A comparative view of the human and animal frame</a><br></p>
Plate six - Man, and the elephant, and explanatory text,  pp. 18 ff.