'Experiments on the treatment of animals infected with Trypanosomes, by means of Atoxyl, vaccines, cole, X-Rays, and Leucocytic (leukocytic) extract; Enumerative methods employed. (Preliminary Note)', by Prof. Major R. Ross & J.G. Thomson. Reprinted from the Proceedings of The Royal Society. Paper was received by the Royal Society on October 15th and read on December 8th 1910. 1911