SUBJECT OF OUR STUDY: RELIGIOUS SOCIOLOGY AND THE THEORY OF KNOWLEDGE PAGE I.--Principal subject of the book: analysis of the simplest religion known to determine the elementary forms of the religious life--Why they are more easily found and explained in the primitive religions 1 II.--Secondary subject of research: the genesis of the fundamental notions of thought or the categories--Reasons for believing that their origin is religious and consequently social--How a way of restating the theory of knowledge is thus seen 9