PREFATORY. I first read Charles Darwin's "Origin of Species" in the library of my sainted uncle, John Schaller, at New Ulm, Minnesota, in 1892. I did not comprehend all of it then, a cause, to me, of considerable chagrin, for which I later found some consolation in the opinion of Dr. Frederick Lynch, who pronounces Darwin's epochal work "one of the two most difficult books in the English language." But like many others, I understood enough of... more...