Physiology

Comparatively little work has been clone in this subject, and tlie small amount that has been carried out has given by no means definite results. Munk and Rosenstein injected oil emulsions into the rectum, and then estimated in a chyle fistula the amount of fat present in the lymph. These experiments, which were conducted on man, did not give definite results, because there was always, the possibility that the slight increase in fat in the lymph was due to an absorption of the emulsion in the small intestine. Certain investigations, which were published by de Filippi in 1894, on fat absorption in a dog where the stomach and a