November 24 , 2016 On the Origin of Species or more completely , On the Origin of Species by Means of Natural Selection , or the Preservation of Favoured Races in the Struggle for Life , is a work of scientific literature by Charles Darwin which is considered to be the foundation of evolutionary biology . Darwin ' s book introduced the scientific theory that populations evolve over the course of generations through a process of natural selection . Credits to makyun for translating , scanning and captions eyepatchcentipede for cleaning and typesetting tealsnap for cleaning and typesetting floppyamon , secretstorytellercora , and kanekx for cleaning and MasqueRider for other days . <| sep |> Loving the modern design there