Some Remarks on Selective Migration

Professor Hofstee has collected together, in compact and highly readable form, some of the most important conclusions so far reached in the study of selective aspects of internal and external migration. Of still greater value, however, than this sum­ mary of findings, and more stimulating to those of us who are directly concerned with demographic research, are Professor Hofstee's comments on the undocumented hypotheses with which the literature of migration abounds, and his suggestions concern­