Dec. 12, 1932.
To the Editor:—The symptom complex as presented in Dr. H. B. Sheffield's two reprints has many characteristics common to those which I presented in my article in the August issue of the American Journal of Diseases of Children (page 287). Although my instances occurred during the first few weeks of life, whereas his did not, the syndrome may be present at later periods during the first year of life. The history of each of my cases indicates that excessive crying, hypertonicity, hyperperistalsis and spasm of the extremities had existed to a varied extent since birth. Beyond the neonatal period I have a group of forty infants which more resembles the instances described by Dr. Sheffield. The majority of them have presented evidence either in the history or at the time of examination of attacks of projectile vomiting and retraction of the head. A smaller proportion has