Huizinga and cultural anthropology.--J.P.B. de Josselin de Jong.--Willem Huibert Rassers.--Myth in a changing world, with supplementary remarks on myth and ideology.--Oecumene as a secular sociological concept.--New perspectives in the study of acculturation.--The changing European vision of a non-European world.--The anthropologist Lévi-Strauss and the problem of history.--The history of culture, planning and predictability.--Transformation and tradition.--Dialectical structuralism.--Dependence, independence and freedom, in relation to colonization and decolonization