The ten treatises in this volume fall naturally into three groups.1

The works in the first group Places in Man, Glands, and Fleshes are monographs, each presenting a general account of the origin, structure, and function of particular parts of the human body, along with comments on disturbances of function and the origin of diseases. All three writers make effective use of observations drawn from common experience and from clinical practice, and of explanatory hypotheses deriving ultimately from contemporary philosophical thought, in constructing their systems.

The two books of Prorrhetics contribute to the art of prognosis, the prediction of disease outcome. Prorrhetic I is a collection of 170 short independent chapters which enumerate clinical signs and give their prognostic values in specific diseases. Individual cases are sometimes mentioned, and the writer occasionally poses questions. Prorrhetic II is a monographic treatment of the art of medical prediction, beginning with an account of its usefulness, its limits, and its frequent abuse, and then going on to a detailed discussion of how the practitioner can best understand