institutions are fast losing their power over the minds of men. But the most valuable part of his book is the immense mass of evidence he has collected showing how political sovereignty follows economic sovereignty or rather, revenue, and how all past history has been made up of a series of contests between various kinds of revenue, particularly between rent from landed property and profits from industrial or manufacturing capital, but as this is nothing more than the Class Struggle between the landed aristocracy and the bourgeoisie, a struggle sketched by master hands in the Communist Manifesto of Marx and Engels, we can give Loria no credit for originality, but merely praise his industry in collecting evidence.
Gabriel Deville, who has probably done more than any one else to popularize the ideas of Marx in France, has pointed out a very nice distinction here. Man, like all living beings, is the product of his environment. But while animals are affected only by the natural environment, man's brain, itself a product of the natural environment, becomes a cause, a creator, and makes for man an economic environment, so that man is acted on by two environments, the natural environment which has made man
