This small volume has been made possible by the beneficence of the Supreme Council, Thirty-Third Degree Scottish Rite Masons of the Northern Jurisdiction, and it is one of many researches on dementia praecox which they have sponsored.
The evolution of the concepts of dementia praecox and schizophrenia is presented briefly. Kraepelin and Bleuler had in mind definite disease processes, quite in contrast to Adolf Meyer's concept of a person who remains the center of attention and who must be studied in terms of his actions, his work, his accomplishments.
The volume is valuable for its brief review of literature, especially nomenclature used in the past to designate psychoses in childhood. Prior to 1900 the reports of such were meager. Up to 1925 the kraepelinian influence is pointed out and after that date its decline is noted. The incidence of schizophrenia prior to puberty is thought to be rare. Even the