SINOPSIS DEL LIBRO

The object of this work is not to describe all the many races of animals which have been domesticated by man and of the plants which have been cultivated by him even if I possessed the requisite knowledge so gigantic an undertaking would be here superfluous It is my intention to give under the head of each species only such facts as I have been able to collect or observe showing the amount and nature of the changes which animals and plants have u...Seguir leyendo