There used to be in my student days, and probably still flourishes, a most valuable summary of fact and theory in comparative anatomy, called Rolleston’s _Forms of Animal Life_. I figure to myself a similar book, a sort of dream book of huge dimensions, in reality perhaps dispersed in many volumes by many hands, upon the Ideal Society. This book, this picture of the perfect state, would be the backbone of sociology. It would have great sections devoted to such questions as the extent of the Ideal Society, its relation to racial differences, the relations of the sexes in it, its economic organisations, its organisation for thought and education, its “Bible”—as Dr. Beattie Crozier would say—its housing and social atmosphere, and so forth. Almost all the divaricating work at present roughly classed together as sociological could be brought into relation in the simplest manner, either as new suggestions, as new discussion or criticism, as newly ascertained facts bearing upon such discussions and sustaining or eliminating suggestions. The institutions of existing states would come into comparison with the institutions of the Ideal State, their failures and defects would be criticised most effectually in that relation, and the whole science of collective psychology, the psychology of human association, would be brought to bear upon the question of the practicability of this proposed ideal. This method would give not only a boundary shape to all sociological activities, but a scheme of arrangement for text books and lectures, and points of direction and reference for the graduation and postgraduate work of sociological students. Only one group of inquiries commonly classed as sociological would have to be left out of direct relationship with this Ideal State; and that is inquiries concerning the rough expedients to meet the failure of imperfect institutions. Social emergency work of all sorts comes under this head. What to do with the pariah dogs of Constantinople, what to do with the tramps who sleep in the London parks, how to organise a soup kitchen or a Bible coffee van, how to prevent ignorant people, who have nothing else to do, getting drunk in beer-houses, are no doubt serious questions for the practical administrator, questions of primary importance to the politician; but they have no more to do with sociology than the erection of a temporary hospital after the collision of two trains has to do with railway engineering. So much for my second and most central and essential portion of sociological work. It should be evident that the former part, the historical part, which conceivably will be much the bulkier and more abundant of the two, will in effect amount to a history of the suggestions in circumstance and experience of that Idea of Society of which the second will consist, and of the instructive failures in attempting its incomplete realisation. DIVORCE