A desire to study congenital malformations of the CNS originated several years ago. It was found necessary first to acquire sufficient knowledge of anatomy of the normal adult human brain as well as of the morphogenesis of the developing human…

The development of the knowledge of the thalamus has proceeded along many avenues of research. The early workers ranged far and wide, comparing, dividing, and subdividing the thalamus and in general terms catalogued anatomical data. Later the relationship of the…