the earth in past ages geology stratigraphic earth sciences i6o the story of the earth fig 3the base of gal erit s sub rotundus showing the central po sition of the mouth from the upper chalk recognised the material is amorphous and a product 6l decomposition of organisms this may be evidence that a large part of the sub stance of the chalk not only consists of the remains of animals which preserve their forms but that the remain der of it passed through the bodies of animals which have left little other record of then existence the fishes are the chief link between the re8ec3.jpg from indianatk” master of the earth View Photo