El estilo ambiguo y opuesto a todo rigor científico se manifiesta ejemplarmente en las conclusiones expuestas en este párrafo.     599 It is a common belief that the more ancient a form is, by so much the more it tends to connect by some of its characters groups now widely separated from each other. This remark no doubt must be restricted to those groups which have undergone much change in the course of geological ages; and it would be…