According to Pediatrics, August 1, the opinion that tuberculosis in some form or other is an almost universal affection, is getting to be general. It refers to a recent research of Volland who, on examining 2500 school children, found that between the ages of 7 and 9 no less than 96 per cent. had indolent, multiple, engorged cervical glands, which he holds to be a purely tuberculous manifestation. The percentage decreases each year until in adult life the number of individuals who present the symptom is comparatively small. That is to say, the vast majority of children are infected with tuberculosis and present its lesions in a modified form. It is not surprising, therefore, that some of the weaker ones fail to escape it in later life. This goes further than the observation of Kelsch, who found evidence of "latent" tuberculosis in two-fifths of young persons. Bios of Heidelberg, on