Therapeutics and Pharmacology.
The Curability of Cancerous Tumors by Injections of Bichloride of Mercury.
—According to the Paris correspondent of the Medical Press and Circular for September 17, 1890, Professor Poucel, surgeon to the Marseilles Hospital, suggested, in 1884, that, in order to explain the production of cancer, it would be found at no distant date that the microbe of cancer would be discovered by the microscope. Since then efforts were made to prove the parasitic origin of the disease, and some pretended to have discovered the new microbe, but soon afterward the pathogenic value of the bacilli, and it was even said that the microörganism was not necessary to explain the clinical phenomena of cancer. Assuredly the transport of living cancerous cells by the veins, and above all by the lymphatics, would produce homologous tumors, wherever these cells could find favorable conditions for germination. This mechanism, although explaining the