India has furnished the work of the English historian with a relatively large number of its elements. Without a doubt there is in this domain no material comparable in density and in erudite development to the excursus on the Achaemenian Empire which fills pages 580-689 of Volume VII of A Study of History. But there are enough passages, both long and short, to enable the reader fully to discern the author's reaction to this civilization. Where, indeed, would he have found so many motivated changes, so many external stimuli and internal absorptions, coupled with such continuity in time and in human habitation, to illustrate the general theses of his work?