This volume of 1,344 pages actually is a reference book and does not lend itself well to abstracting. It should be in the hands of every person who practices progressive medicine or does research.
The scope of the material considered is impressive; fundamental points are included; the conclusions and illustrations are practical. The book is a survey of natural immunity. It is complete and covers the subjects of heredity, age, sex, the endocrine glands, the humoral and cellular mechanisms, the liver, the body surface and the nervous system, states of impaired health caused by dietary deficiencies and climate in their relation to resistance to disease. The clinical aspects of resistance are likewise considered. Never before have all of these subjects been brought together in this fashion. One can agree with these statements in the circular accompanying the book: "For the first time in modern medicine there is available a complete