The difference between a dissection of the body in studying various viscera and organs and the modern Roentgen examination of the same parts will often show quite a field of divergence. The great advantage of the latter method is, of course, that it is dealing with the living and functioning body. Not only are the positions and relations of the organs liable to be somewhat different in life and death, but the mobility and motility of the viscera can be studied by the new method.
In the present study, two cases were observed in reference to the rapidity with which a suspension of barium sulphate could travel from the stomach to the cecum and thence through the large intestine to the outlet of the body.
—James L., aged 8 months, weight 14 pounds, 6 ounces. Physical examination negative. Admitted to the hospital for observation as he had had