The subject of paleopathology is replete with pitfalls. When one recalls that the field covers all evidences of disease or injury from the Proterozoic to the civilization of the continents by the white races, the reasons for the pitfalls will be evident. I have, however, been emboldened by the example of others to widen my range of thought and have embarked on this difficult mission.
The difficulties arise on every hand. First: Paleopathology is “drybone pathology,” a subject held in some contempt by medical men, and in consequence the literature on the subject is widely scattered. One thus needs to build up a knowledge of modern human and animal pathology relating to the skeleton. Second: The determination of a disease and its pathology in modern medicine is by microscopic as well as by gross examination. Hence a knowledge of the histological nature of fossil bone was . . .