ZE. SHAPE AND STRUCTURE OF
TUMORS.--THE GROWTH CAPACITY OF TUMORS AS SHOWN BY THE INOCULATION OF
TUMORS OF MICE.--BENIGN AND MALIGNANT TUMORS.--EFFECT OF
INHERITANCE.--ARE TUMORS BECOMING MORE FREQUENT?--THE EFFECT PRODUCED
BY A TUMOR ON THE INDIVIDUAL WHO BEARS IT.--RELATION OF TUMORS TO AGE
AND SEX.--THEORIES AS TO THE CAUSE OF TUMORS.--THE PARASITIC
THEORY.--THE TRAUMATIC THEORY.--THE EMBRYONIC THEORY.--THE IMPORTANCE OF
THE EARLY RECOGNITION AND REMOVAL OF TUMORS 62

CHAPTER IV

THE REACTIONS OF THE TISSUES OF THE BODY TO INJURIES.--INFLAMMATION.--
THE CHANGES IN THE BLOOD IN THIS.--THE LMIGRATION OF THE CORPUSCLES OF
THE BLOOD.--THE EVIDENT CHANGES IN THE INJURED PART AND THE MANNER IN
WHICH THESE ARE PRODUCED.--HEAT REDNESS SWELLING AND PAIN.--THE
PRODUCTION OF BLISTERS BY SUNBURN.--THE CHANGES IN THE CELLS OF AN
INJURED PART.--THE CELLS WHICH MIGRATE FROM THE BLOOD VESSELS ACT AS
PHAGOCYTES.--THE MACROPHAGES.--THE MICROPHAGES.--CHEMOTROPISM.--THE
HEALING OF INFLAMMATION.--THE REMOVAL OF THE CAUSE.--CELL REPAIR AND NEW
FORMATION.--NEW FORMATION OF BLOOD VESSELS.--ACUTE AND CHRONIC
INFLAMMATION.--THE APPARENTLY PURPOSEFUL CHARACTER OF THE CHANGES IN
INFLAMMATION 79

CHAPTER V

INFECTIOUS DISEASES.--THE HISTORICAL IMPORTANCE OF EPIDEMICS OF
DISEASE.--THE LOSSES IN BATTLE CONTRASTED WITH THE LOSSES IN ARMIES
PRODUCED BY INFECTIOUS DISEASES.--THE DEVELOPMENT OF KNOWLEDGE OF
EPIDEMICS.--THE VIEWS OF HIPPOCRATES AND ARISTOTLE.--SPORADIC AND
EPIDEMIC DISEASES.--THE THEORY OF THE EPIDEMIC CONSTITUTION.--THEORY
THAT THE CONTAGIOUS MATERIAL IS LIVING.--THE DISCOVERY OF BACTERIA BY
LOEWENHOECK IN 1675.--THE RELATION OF CONTAGION TO THE THEORY OF
SPONTANEOUS GENERATION.--NEEDHAM AND SPALLANZANI.--THE DISCOVERY OF THE
COMPOUND MICROSCOPE IN 1605.--THE PROOF THAT A LIVING ORGANISM IS THE
CAUSE OF A DISEASE.--ANTHRAX.--THE DISCOVERY OF THE ANTHRAX BACILLUS IN
1851.--THE CULTIVATION OF THE BACILLUS BY KOCH.--THE MODE OF
INFECTION.--THE WORK OF PASTEUR ON ANTHRAX.--THE IMPORTANCE OF THE
DISEASE 97

CHAPTER VI

CLASSIFICATION OF THE ORGANISMS WHICH CAUSE DISEASE.--BACTERIA SIZE
SHAPE STRUCTURE CAPACITY FOR GROWTH MULTIPLICATION AND SPORE
INFORMATION.--THE ARTIFICIAL CULTIVATION OF BACTERIA.--THE IMPORTANCE
OF BACTERIA IN NATURE.--VARIATIONS IN BACTERIA.--SAPROPHYTIC AND
PARASITIC FORMS.-