Paper, 'Studies of disinfectants by new methods' by A [Alexander] Wynter Blyth Blyth writes: 'The object of this paper is to communicate the results of a study of the action of disinfectant substances which has occupied the leisure of the author for the past eighteen months. Three series of experiments have been made, viz:— 1. On the Bacterium termo. 2. On the various micro-organisms in sewage. 3. On the disinfection of typhoid excreta.' Annotations in pencil and ink. Subject: Bacteriology / Hygiene Received 8 October 1885. Read 26 November 1885. Communicated by Benjamin Ward Richardson. A version of this paper was published in volume 39 of the Proceedings of the Royal Society as 'Studies of disinfectants by new methods'. 1885