When the views advanced by me in this volume, and by Mr. Wallace, or when analogous views on the origin of species are generally admitted, we can dimly foresee that there will be a considerable revolution in natural history.
Authentication Score 3
Original Citation
Darwin, Charles. On the Origin of Species. 6th Edition. London: John Murray, 1879, ch. 14.
Current Citation
Darwin, Charles. The Origin of the Species, edited by William Bynum. Penguin, 2009, ch. 14.