Of the positive paper prints... they have been of such a character as to already attract the attention of the medical profession, not only in our immediate vicinity, but at a distance, and have called forth many expressions of interest and commendation. Members of the medical profession begin to visit the Department periodically, for the purpose of obtaining such photographs as pertain to each one's more especial class of investigation. Many interesting cases of skin disease, fractures, and results of important surgical operations have been fully illustrated by series of photographs, which give opportunity for comparison and study not offered by any other means.