Much has been written concerning leukoplakia buccalis, but references to its Occurrence on the palate are scanty. Moderate diffuse grayness in this area is not an unusual observation, and plaques similar to those on the mucosa of the cheeks are mentioned occasionally. However, the first appearance of the papular eruption of palatal leukoplakia in the American medical literature was in an article by Fordyce and MacKee1 published in 1926. Without elaboration in the text, there was a photograph which portrayed a condition that the legend designated as "mucous adenomas of the palate." Under the title "pseudoleukokeratosis of the buccal mucous membranes" Grütz2 described 3 cases in 1928. In the succeeding year Howard Fox3 presented a patient at a dermatologic meeting as having "gray rugae of the hard palate." From the description I infer that this was an example of the same disease. In 1930 Harold Orr4