The power to correctly interpret the manifestations of disease is above every other a prerequisite to the successful practice of medicine. During the last fifty, and more especially during the last twenty-five years, the means of investigation have been so improved, and the advances in the study of pathology have been such, that former and even present methods of teaching must of necessity be greatly modified.
Never before were there such possibilities presented for the attainment of correct conclusions as to pathological conditions, and never as now were men able to make such critical studies, both of the causes and of the manifestations of disease. No longer may medical men simulate the blind giant who went beating about, and killing whatsoever he chanced to hit. The physician's better directed blow should fell the disease and not the man.
To the careful study of pathological conditions and to the correct interpretation