. Bulletin du Ministère de l'Agriculture des États-Unis. L'agriculture ; l'Agriculture. BULLETIN DE L'u n° 70 Contribution du Bureau of Animal Industry, A. D. Melvin, chef. 5 avril 15, 1914. (Papier professionnel.). Essais d'immunisation AVEC LE VACCIN CONTRE LA MORVE. Par John R. Mohler et Adolph, Eichhoen Division pathologique, au Bureau de l'introduction de l'industrie. Parmi les maladies des chevaux avec^ qui l'au- torités vétérinaires sont concernés la morve est probablement le plus important, et à moins que des mesures strictes pour son contrôle sont appliquées la tendance de la maladie est de se propager plus ou moins rapidement.

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. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. BULLETIN OF THE u No. 70 Contribution from the Bureau of Animal Industry, A. D. Melvin, Chief. 5 April 15, 1914. (PROFESSIONAL PAPER.). IMMUNIZATION TESTS WITH GLANDERS VACCINE. By John R. Mohler and Adolph Eichhoen, Pathological Division, Bureau of Animal Industry INTRODUCTORY. Among tlie diseases of horses with which the veterinary authori- ties are concerned glanders is probably the most important, and unless strict measures for its control are enforced the tendency of the disease is to spread more or less rapidly. This fact is due to the character of the disease, to the prevailing methods of caring for horses, and, probably more important than all, to the frequent latent existence of the disease in apparently healthy animals. The destruction of all infected animals has been accepted as a matter of course in all civilized countries, and owing to the dangerous character of the disease and the possibility of transmission to man, this action appears to be the sanest and most reasonable procedure in its control. On the other hand, the possibility of a method of immunization of healthy animals is worthy of consideration and would be of great advantage. Ever since the discovery of mallein as a diagnostic agent for glan- ders, experiments have been conducted by various investigators relative to its immunizing and curative value. Many favorable reports have been made by veterinarians of the results obtained. On the contrary, others appear to have had no satisfaction from its use. Since it has been proved that cases of glanders may recover it is rather difficult to establish the value of the immunizing agents as to their action on the disease. Fortunately, we now possess a means by which the presence of immune bodies can be demonstrated in the animal upon which attempts at immunization are made. With the serological tests at our command we may control to some extent the action of an immunizing sub

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