Fig. 49.—Bad Lands of the lower Eocene, Wasatch stage. Big Horn Basin, Wyo.
<p>William Berryman Scott
</p>
Photograph by Sinclair
<a class="external free" href="https://en.wikisource.org/wiki/Page:A_History_of_Land_Mammals_in_the_Western_Hemisphere.djvu/131">https://en.wikisource.org/wiki/Page:A_History_of_Land_Mammals_in_the_Western_Hemisphere.djvu/131</a>, page 107