129/183 Life is too short for so long a discussion. A.R.WALLACE TO CHARLES DARWIN. Hurstpierpoint, [April ?] 8th, 1868. If you are not convinced, I have little doubt but that I am wrong; and, in fact, I was only half convinced by my own arguments, and I now think there is about an even chance that Natural Selection may or may not be able to accumulate sterility. If my first proposition is modified to the existence of a species and a variety in the same area, it will do just as well for my argument. |