COL. CHARLES EDWARD CASSAL, who died on December 22 last, in his sixty-fourth year, was public analyst for the Metropolitan Borough of Battersea, the Royal Borough of Kensington, the Parts of Holland and Kesteven (Lines), and Chipping Wycombe (Bucks), and joint public analyst for the City of Westminster. He was educated at University College School, and received his professional training at University College, London, where he was demonstrator in the department of hygiene and public health from 1879 to 1888. He was a fluent and forcible speaker, and, having qualified, by examination, for the fellowship of the Institute of Chemistry, he took a prominent part in the discussions relating to the interests of his profession, particularly those of public analysts and official agricultural analysts. Col. Cassal served on the council for six periods of three years each, and as a censor for one year. He frequently accompanied deputations from the institute to Government departments. For fifteen years he was editor of the British Food Journal, to which, as well as to other journals, he contributed many articles on the chemistry of food and drugs, on water supplies, and on sewage treatment and disposal.