Über die Entstehung der Arten im Thier-, und Pflanzen-Reich durch natürliche Züchtung, oder Erhaltung der vervollkommeten Rassen im Kampfe um's Daseyn 1863

This is the second edition of Charles Darwin’s famous work *On the Origin of Species*, published in 1863. The book, a cornerstone of evolutionary biology, details Darwin’s theory of natural selection, arguing that species evolve over time through a process of adaptation and competition. The book's title page features a portrait of Darwin, emphasizing the author's authority and prominence. Darwin's work, though initially met with controversy, has had a profound impact on scientific thought and understanding of the natural world.