En un ensayo publicado en 1849 Darwin decía:   «… if the first description was originally imperfect, & had been superseded by any better description, it wd perhaps be better to omit all reference to it, for the sooner such an author’s name was buried in oblivion the better.»   Que traduzco:   Si la primera descripción era originalmente imperfecta  y ha sido superada por otra mejor, entonces sería mejor omitir toda referencia…