On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection
On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection
C. Darwin,A. Wallace
1858 · DOI: 10.1111/j.1096-3642.1858.tb02500.x
666 Citations