What one does not look for one does not see. This is well illustrated in the case of the oral manifestations of measles. The disease is extremely common; numerous careful observers have examined innumerable patients and still the significance of certain manifestations for a long time escaped detection. I can find only three authors who have mentioned the tonsillar spots as an early manifestation of measles. Comby1 reported four cases of measles in one family and described white spots (angine pultacée) as being present on the tonsils of two of these cases two days before the eruption appeared. Grumann2 describes white spots or streaks about 3 mm. long which are present on the tonsils one or two days before the eruption. Miller3 reports the case of a child which, when first examined, besides a rise of temperature, had dyspnea and a reddened throat. The tonsils were swollen