Published online by Cambridge University Press: 06 April 2009
History. Trypanosomes have been cultured from the blood of cattle in many parts of the world; in Germany, Denmark, Greece, Holland, France, Russia, Japan, the Philippines, Siberia, Algeria, Tunis, the United States and Brazil. But in only a few cases have the actual parasites been found in the circulating blood. From the scanty literature at my disposal, but especially from the Sleeping Sickness Bulletin, I find that the following observers have found and described the trypanosomes in the blood.