On returning to Valparaiso with half a mule's load of specimens he wrote to his father that his findings, if accepted, would be crucial to the theory of the formation of the world.
Regresando a Valparaíso coa metade dun cargamento de mula de espécimes escribiu ao seu pai sobre os seus descubrimentos, que se eran aceptados, serían cruciais para a teoría da formación do mundo.