American Pharmaceutical Association in 1900, and his contributions to science were largely concerned with the chemistry of drugs, on which he wrote several important books and a large number of special contributions, including several articles in The Popular Science Monthly. He was also the author of excellent text-books on chemistry including 'Qualitative Chemical Analysis,' 1874; 'Outlines of Proximate Organic Analysis,' 1875; 'First Book of Qualitative Chemistry,' 1879, and 'Manual of Organic Analysis,' 1888.

Professor Prescott's death occurred on February 25, when he was in his