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In June, 1919, Huldschinsky1 reported that the ultraviolet ray exerted a curative action in rickets. The criterion on which he relied was the evidences furnished by the X-ray of calcium deposition at the ends of the long bones. He found that there were definite signs of calcium deposition after four weeks of treatment and that at the end of eight weeks healing was almost complete. In May, 1920, Huldschinsky2 again reported the curative effects of treatment with the ultraviolet ray in rickets in a series of thirty children, aged between one and one half and six and one half years, who exhibited all clinical manifestations of the disease. In all, healing was accomplished after twenty-two to twenty-six treatments covering a period of two months. In April, 1920, Putzig3 corroborated the findings of Huldschinsky. He obtained cures by means of the quartz lamp in premature infants suffering from rickets. In July, 1920, Riedel1 further confirmed Huldschinsky's findings in a series of one hundred children sufferin...

The following diet, when fed to the young rat, in a comparatively short time (three to five weeks) produces rickets. The diet is composed of:This diet is extremely poor in fat-soluble A, the anti-xerophthalmic substance. Young rats develop xerophthalmia when placed upon it in from four to five weeks. Its proteins are of good quality and are supplied in abundance (21 per cent.). The phosphorus content is relatively low (0.209 gms. per 100 gms. of the food mixture). The calcium content is approximately the optimum.The gross evidences of rickets in the rats eating the faulty ration were briefly these: deformities of the thorax consisting in flattening or hollowing along the line of costochondral junctions; pigeon breast; enlargement and distortion of the costochondral junctions; fractures of the ribs; enlargements of the ends of all the long bones; diminished resistance of the bone to cutting; great diminution in the tensile strength; and finally, the presence of a zone of a white or pale yellow color, betwe...

A reconnaissance gravity survey is presented of the Hatchetigbee Area of Southwestern Albama, which discloses two gravity minima associated with the Hatchetigbee Anticline and the neighboring Jackson Fault. A study of the gravity data, together with geologic and magnetic information, leads to the possibility that a salt ridge exists in the general Hatchetigbee Area, and that the gravity minima represent individual salt domes.

COMPOSITION About two years ago Dr. Edwards A. Park suggested that a formula be prepared which could be successfully preserved by canning and would constitute a complete food for an infant. He stated that he had previously held the view that the addition of vitamins or vitamin preparations to the diet of an infant was preferable to the inclusion of any extra substances in the infant's basic food. He believed that the public in general could be educated to the use of supplementary vitamins in the feeding of infants. He had abandoned this view in recent years because of the facts brought out by autopsies on infants dying in the Harriet Lane Home. These studies revealed a surprisingly high incidence of both scurvy and rickets in spite of the educational programs conducted at the children's dispensaries and well baby clinics of Baltimore on the importance of providing supplementary vitamins. He