Letter from Samuel George Shattock, on his paper with Charles A Ballance 'An attempt to cultivate parasitic protozoa from malignant tumours, vaccinia, molluscum contagiosum, and certain normal tissues, together with infection experiments carried out with the culture media, and a note on the treatment of cancer' to John William Strutt, Lord Rayleigh Will provide the Royal Society with an abstract containing the experimental method, for publication in the Proceedings. Subject: Physiology [Published in the 'Proceedings of the Royal Society of London', 1895] 24 June 1895