Medical and Philosophical News

TH E Royal College of Phyficians at Nancy have propofed the following prize questions : " i. What are the unwholefome proper" ties of fnow water, ice water, or the waters " of chalky and gypfeous foils ? What affinities " and diftinftions are there between thefe four " fpecies of water, relative to their chemical <c compofition and their dietetic effects ? What " is the reafon that all waters which contain