Lamarck mal explicado en el párrafo tricentésimo décimo octavo de El Origen de las Especies

  El esfuerzo, el efecto del ambiente, la herencia. Todo ello procedente de Lamarck. Los ejemplos, los mismos.     318   We have seen that a species under new conditions of life may change its habits, or it may have diversified habits, with some very unlike those of its nearest congeners. Hence we can understand, bearing in mind that each organic being is trying to live wherever it can live, how it has arisen that there are upland geese…