The material presented in this book corresponds to that encountered in a textbook of general and systemic pathology, though the author deliberately avoids so describing it. He wishes to reserve for himself the right to decide which of his subjects are the more important, which should be discussed more fully, and which may be omitted. Therefore he chooses "Morphologic Pathology" as a title, implying a treatise on morphologic principles of general and systemic pathology, not necessarily complete. Yet he follows the old principle, and in going over the book one is immediately aware of the fact that, as in similar textbooks the subject is divided into two parts, general pathology—termed "general morphologic pathology"— and systemic pathology—termed "applied morphologic pathology." However, in the chapter dealing with diseases of the respiratory tract, pneumonia, tuberculosis, emphysema and carcinoma are discussed, whereas diseases of the trachea and bronchi, infarcts and syphilis of the