Physical and Behavioral Growth. Report of the Twenty-Sixth Ross Pediatric Research Conference. Price, not given. Pp. 101, with 15 illustrations. Ross Laboratories, Columbus 16, Ohio, 1958.
A previous review in this Journal described volumes 1 and 2 of the discussions on Child Development. The publication of the third volume adds to the knowledge and satisfaction to be gained from following these erudite discourses. Those interested in this method of presentation of knowledge about children and their growth will also be pleased with the publication of the Ross Conference on Growth.
Of special interest in the WHO volume are the studies of Margaret Mead on sex differentiation and those of Erik Erikson on the adolescent's problem in finding his identity. Dr. Mead's contribution reflects the common concern over differentials in the manner in which the two sexes are reared. Her evidence concerning such environmental differences is most full and suggests important