Letter Manson says that Ross' article should be published in the British Medical Journal and that he has contributed a leader to go with it. He adds that G Thin is wrong about oil having got into Ross' slides and that they have been photographed. He discusses L Rogers report on kala-azar and says that he is at fault in various respects. Finally he has seen a flagellum distort the cyst wall in its efforts to escape. 17/11/1897