“…In fact, rolled oats has shown itself to be on the average somewhat less rickets producing than maize in both dog and rat experiments, but somewhat more so than wheat in the trials with rats. All the tests carried out with dogs, which are exceedingly susceptible to rickets, show that all cereals are so decidedly rickets producing that a large number of trials with carefully executed controls are necessarv to demonstrate which 1 is the worst. In any case, Steenbock adds, the defect of the cereals can he remedied by the judicious supple¬ mental use of foods high in calcium-and also high in phosphorus in special instances-and by the treatment of the cereal with ultraviolet radiations.…”