Dr. Coca's short monograph on a new adventure in the field of allergy is provocative and will be read avidly by all interested in allergy. Unfortunately, it will have little value for pediatricians, even though the alluring title, "Familial Nonreaginic Food-Allergy," may tempt them, for they are generally intrigued by texts dealing with food.
The main thesis of this volume is that certain persons who are sensitive to food and do not present positive cutaneous reactions regularly have an acceleration of pulse rate during their allergic episode. On this thesis is based "a new method of approach" to the diagnosis and treatment of a group of allergic diseases. One may wonder at the assumption that dementia praecox is due to food allergy. "All subjects of dementia praecox thus far studied," states Dr. Coca, "have exhibited the typically food-allergic pulse." He also contends that a study of epileptics "by the method