I agree probably made for an educated man, but a lettered man of business rather than a natural scientist. The engraving is clearly allegorical: the German Lion and British Bulldog fight over the downed carcass of the Spanish empire. Meanwhile the clever American Fox waits for the two to fight and become distracted, allowing him his rightful ascendancy to the Mercantilist future. Dollars to doughnuts it letters to a blue-blooded American aristocratic family - Astor or Carnegie, maybe duPont.
It's that sort of logic that got you chased out of Juarez.
This is quite obviously the handiwork of the artiste Robert Bruce Horsfall, the illustration in question appearing in an issue of National Geographic in 1916
See lower left corner of this page
http://www.search4dinosaurs.com/prehistoric.htmlMay well be from February 1916, Vol. 29, No. 2
HOW OLD IS MAN, by Theodore Roosevelt, with 15 Illustrations (Summary: Theodore Roosevelt examines mans prehistory, noting that most of what is known has been obtained during the last two generations. Related Subjects: Anthropology, physical; Man, prehistoric.)
