id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
2929	Huxley, Thomas Henry	The Origin of Species From 'The Westminster Review', April 1860			.txt	text/plain	14184	433	50	the nature of the objects to which the word "species" is applied; but it group of animals, or of plants, a species, we may imply thereby, either animals are really of different physiological species, or not, seeing many natural species are either absolutely infertile if crossed with produced in the same way, the groups are races and not species. others produced in the same way, they are true physiological species. species goes, is, that there are such things in Nature as groups of ever exhibits, when crossed with another race of the same species, those or stocks, the doctrine of the origin of species is obviously not of structural plan exhibited by large groups of species differing very The objections to the doctrine of the origin of species by special permanent races and then into new species, by the process of 'natural characters exhibited by species in Nature, has ever been originate	./cache/2929.txt	./txt/2929.txt