THE SOCIAL ORGANISM 257 probable that in early days, the physical unity was more prominent than later on, when, as in the case of mixed racial groups, the psychical bond is practically supreme. But genetic and environmental bonds do not as physical facts constitute a society. Until there is enough of correlated psychical unity for the group to act, however imperfectly, as a group with a mind of its own, controlling the egoism of the individual members, there is no human society. In short, if we continue to speak of a society as a social organism, we must safeguard the analogy by remembering that the character of society as an organism exists in the thoughts, feelings, and activities of the component members, and that the social bonds are not those of sympathy and synergy only, but that the rational life is intrinsically social. As Green said, " Social life is to personality what language is to thought/' The chief difficulty that Spencer had with his metaphor was that in the individual organism there is a centred consciousness in the nervous system, where- as the social group as a whole has no corporate con- sciousness. Thus