Nor must the value which would formerly have been set on any slight differences in the individuals of the same species, be judged of by the value which is now set on them, after several breeds have fairly been established.
Eta espezie bereko banakoen arteko diferentzia txikiei antzina emanen zitzaien balioa ere ez da neurtu behar gaur egun, hainbat arraza ongi erabakirik egon ondoren, ematen zaien balioaren arabera.