Pura especulación sobre un gráfico imaginario y erróneo. ¿Esto es Ciencia? No parece         602   By looking at the diagram we can see that if many of the extinct forms supposed to be embedded in the successive formations, were discovered at several points low down in the series, the three existing families on the uppermost line would be rendered less distinct from each other. If, for instance, the genera a1, a5, a10, f8, m3, m6, m9,…