I was looking at some Americana on the Archive website, and came across two books by Joseph H. Batty.
The following biographical note comes from the one on the practical taxidermy:
Well, in the book on hunting (first published in 1879) there is a chapter on mules and native Indian ponies used in the hunting expeditions in the Western American wilderness during the 1870s and 1880s.
It is quite interesting and I am happy to share it with you:
*Cincho obviously is a cinch or girth strap