A sample of copper-containing concrete prepared according to the formula of Young and Talbot was examined for bactericidal, bacteriostatic, fungicidal and fungistatic activity. The results of our experiments have demonstrated that the copper-containing concrete examined is of extremely little value as a fungicide or bactericide or in preventing the spread of foot infections.
The importance of having a knowledge of the X-ray appearance of a normal splenic shadow is stressed. The radiographic appearances in cases of splenomegaly, calcifications, calculi and trauma, are mentioned. Particular attention is paid to the radiographic appearances which might result from pressure of an enlarged spleen on a barium-filled stomach. The differential diagnosis from carcinoma of the stomach is mentioned.
The available records of actinomycotic infections in South Africa are cited. Brief clinical histories of a further eight patients found to be infected with aerobic Actinomyces are narrated, viz. one with otomycosis, three presenting subcutaneous abscesses, three empyema one of which was assocIated with tuberculosis and one with subcutaneous abscesses plus empyema. The xtent of the bacteriological investigation of the eight strains of aerobic Actinomyces isolated is descrIbed and their classification discussed. The results of pathogenicity tests are stated in brief.
A case of pyrexia of two months' duration ending in complete recovery is reported. All investigations were negative. The pyrexia did not respond to sulphadiazine or penicillin. On the 26th day of the illness the lymphatic glands of the posterior triangles of the neck, the groins and the axillae became enlarged and four days afterwards there developed a morbilliform rash which took a whole week to spread over the whole body including the palms and soles. The liver also became enlarged and tender at that time. No similar illness developed in any other member of the family.