Ernst Mayr describes the near-bewilderment among natural historians of the time: When viewing the almost chaotic mountains of new species, how could one avoid asking, “Where is that harmony of nature of which every naturalist is dreaming? What are the laws that control diversity? What plan did the father of all things have when he designed little creatures and big ones?” Yet those committed to the doctrine of creation held firmly to belief in a divine plan even in the face of apparent chaos. “It