| Since the appearance of ,,Age and Area" by Dr. J. C.Willis in 1922 the progress in this matter has not been so great as before. From the contribution of a few chapters by some well-known biologists, and from many approving remarks by others quoted throughout the book one might derive that the theory of origin and evolution of species, etc., presented in it, had already a remarkable success. But there is also a whole chapter in the book, containing the diversified objections, to which Dr. Willis makes head. The „very strong evidence based upon definite facts, not upon a priori reasoning", however, required by Willis (p. 233), has turned out to be more of a repetition of the same statements with more or less different materials than of the discovery of... |
