@book {1691,
	title = {Contributions to the Theory of Natural Selection. A Series of Essays},
	year = {1870},
	pages = {(i)-xvi, (1)-384},
	publisher = {Macmillan \& Co.},
	organization = {Macmillan \& Co.},
	address = {London \& New York},
	author = {Wallace, A. R.}
}
