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possessed by the employee. This concept implies an understanding of "jobs for the eyes" and "eyes for specific jobs." Placement of employees with the application of this concept is not universal. If our contemplated program can be developed and adopted, we believe that there will be not only an increase in production efficiency but also an improvement in the health, contentment and happiness of employees. 5. Health Factors and Vision.-The state of one's general health directly affects visual health and efficiency and, vice versa, visual health has a direct influence on general health. Space and time do not allow of further elaboration of this statement. It is made here to call attention to the intimate connection between vision and health. Also there are problems of housing, recreation, domestic relations and nutrition which have a bearing on health and which need further consideration. At the present time .much investigation is being made to discover the influence that vitamins may have on general health and particularly on visual efficiency, but no satisfactory conclusion has been arrived at.6. The Program.-To carry out a satisfactory program of testing, examining and correcting of visual defects, there must be complete coordination of activities between management, employees, medical departments, ophthalmologists and opticians. When the value of a completely coordinated program is comprehended, the desired cooperation between all interested parties will not be difficult to secure.

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Detroit: Good results from gallbladder surgery, according to most statistical studies, are obtained in from 70 to 75 per cent of cases. The point to which Dr. (lute calls attention especially is that stones are often missed by the surgeon when they are lodged in the common duct, and that a more thorough search should always be made at the time of operation. I think he will agree that it is often difficult to find them, and, when found or suspected, they are hard to remove. I refer especially to those stones which slip up the hepatic duct toward the liver, and those which become caught or embedded in or near the ampulla of Vater. I have in mind several cases in which the surgeon failed to find such stones which were subsequently shown to be present, and also several patients in whom the stone was found embedded in the ampulla region, but the operation of removal proved so formidable that the patients died after operation. Other causes of poor operative results are adhe¬ sions between the duodenum and the operation site, stricture of the common duct, pancreatitis, hepatitis, including syphilis, and other medical conditions. Medical treatment of these