Collected Writings.

These two volumes constitute the record of the scientific work of one of the most outstanding pediatricians which America has produced. It is interesting that Dr. Hess' work in his early years consisted of articles on the pathologic and the bacteriologic aspects of pediatrics. Soon, however, he took up a careful study of scurvy, to which subject he contributed voluminously and fundamentally. His work on infantile scurvy would alone assure him of lasting fame in medicine were it not for the fact that his later work on rickets and its many problems constituted such an outstanding contribution that his name must always be associated with this problem. Interspersed with these main efforts are elightening articles on clinical subjects, on chemical analyses and even on hospital and social conditions affecting the infant and the child.

The two volumes are beautifully bound and well printed and represent an addition to the pediatrician's