Fig. 83.—Mule Deer (Odocoileus hemionus).
William Berryman Scott
<a class="external free" href="https://en.wikisource.org/wiki/Page:A_History_of_Land_Mammals_in_the_Western_Hemisphere.djvu/191">https://en.wikisource.org/wiki/Page:A_History_of_Land_Mammals_in_the_Western_Hemisphere.djvu/191</a>