He discovered the actual transmutations in direct genetic series of species on the successive deposition levels of the old lake basin.
In order to refer back to the Physics, the De Coelo, and the De Generatione, this work begins by stating that the first causes of all nature and all natural motion, the stars ordered according to celestial motion and the bodily elements with their transmutations, and generation and corruption have all been discussed; and by adding that there remains to complete this investigation, what previous investigators called meteorology.
Man himself and the animals had come into being by like transmutations.
Yet seeming transmutations of Colors may be made, where there is any mixture of divers sorts of Rays.
