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Dr. Bordet of Brussels recently lectured on immunity before the Academy of Medicine. The discovery of the specificity of antibodies has been extended from the immunologic to the biologic field. Different species may be distinguished only by their chemical structure. Among individuals belonging to the same species, subtler differences may exist. It is generally agreed that antigens are proteins. The character of such proteins would then serve to identify diverse species. However, this conception must be extended, as Bordet and Renaux have found that animal species arc characterized by their lipoids as well as by their proteins.
Recently Dr. M. Tapia, the director of the epidemic hospital, lectured on Malta fever at the Madrid medical school. Tapia takes issue with Marañón's view that the goat is essential for the presence of the condition in man. In Rhodesia in 1922 an epidemic coincided with an abortion epizootic in
MADRID. JAMA. 1928;90(11):867-868. doi:10.1001/jama.1928.02690380051023