Varlez, L. Keywords: Migration | Mots clefs: Migrations | ABSTRACT Louis Varlez writes that it is easy to see that an important phenomenon such as migration has not been able to escape from the influence of the law, which has naturally claimed to direct and control human migrations. However, the legal points of view are so different in this respect; the interests involved are varied and often so contradictory that the most diverse systems have successively been formed. And this multiplicity of points of v…