Although Charles Lyell opposed scriptural geology, he also believed in the immutability of species, and in his Principles of Geology, he criticized Lamarck's theories of development.
Aínda que Charles Lyell se opoñía á xeoloxía baseada nas escrituras sagradas, el tamén cría na inmutabilidade das especies, e nos seus Principles of Geology criticou as teorías de Lamarck do desenvolvemento.