classification laid down by the standard Congress library at Washington, would, when his attention was drawn to it, admit so offending a writer on to his history shelves at all. His place, he would probably say, is with the prose-poets, or with the writers of historical fiction next door to them. Yet turn to the opening chapters of Thucydides' book. You will find most of the sciences on which long modern treatises are written: but you will find something more: you will find them blended into a unity. Let those who deny that Thucydides was a sociologist, who continue to claim that Herbert Spencer, inventor of the horrid word, invented also the science, re-read Thucydides' account of the evolution (for it was as an evolution that he saw and depicted it) of Greek society from the earliest times to his own day. Let those who cry up anthropology examine into his treatment of legend and custom and his power, untrained in Seminar or institute, to use it as sociological evidence. Let the geographers, too forgetful sometimes that man is not the creature of environment alone, refresh their minds by recalling those brilliant sallies in geographical thinking in which he explains some of the features of early Greek settlement and city-building. It is not only orthodox history, of the school of Ranke, of which Thucydides is the father and inspirer: there is not one of the many movements which have sought to broaden out historical study in recent years, from Buckle and Leplay and Vidal de la Blache down to the psycho-analysts of our own day and of to-morrow who will not find in Thucydides some gleaming anticipation along the path of their own thought.