It can be readily appreciated that moderate variations in the amounts of leafy structures eaten, the amounts of eggs, and the extent to which polished rice enters into the diet in place of whole rice or other cereal grain, will have a most important bearing upon whether the diets of this type suffice for the maintenance of well-being. These variable factors will also determine whether there is an excess of any of the several factors in the diet, over the minimum on which a child can grow up and live what is ordinarily regarded as an average span of life. When a diet fulfils these conditions it passes as satisfactory, but there is good reason now, because of the results of the experimental studies of the last few years, to question whether any diet is as satisfactory as it is possible to make it. The final goal is to strive to discover whether any dietary regimen in use by man best promotes his vitality to the maximum. There is good reason to believe that the Oriental diet of the type under discussion, is at best, but a second rate one, and that it is not capable of meeting the needs of the growing child except in special cases where the most fortunate selection of articles is made. It does not, in general, support vigorous health and stimulate effort to an advanced age.