but by crossing we can only get forms in some degree intermediate between their parents; and if we account for our several domestic races by this process, we must admit the former existence of the most extreme forms, as the Italian greyhound, bloodhound, bull-dog, etc., in the wild state.
baina gurutzaketaren bidez graduren batean haien gurasoen bitarteko formak erdiets ditzakegu, eta gure arraza ezberdin guztiak prozedura honen bidez azaltzen baditugu, aurretik ertzeko formarik gehienak, hala nola xarlango italiarra, ehizatxakurra, bull-dog-a e.a., natur egoeran izan zirela onartu behar dugu.