The Prevention of Tuberculosis

It is now nearly thirty years since Yillemin published his great work, Etudes sur la Tuberculose, in which he gives an account of his inoculation experiments: often briefly quoted in illustration of the fact that so long ago as 1865 positive evidence had been given of the communicability of this disease. This brief and passing recognition, however, scarcely suffices in acknowledgment of the philosophical boldness and masterly style with which Yillemin unfolds the pathological problems of tuberculosis, the difficulties of heredity, the etiological factors and the affinities of the disease, especially with glanders; its distribution over different species of animals, and the experimental evidence not only of its inoculability but of its identity in man and in cattle. All the facts are marshalled in an orderly and complete fashion, and with what one is tempted to regard