Letter from J Broughton, Government Quinologist, to Revenue Department, Government of Madras, 31 July 1871, analysing cinchona barks from different plantations in India. Letter from John Eliot Howard at Tottenham to Under Secretary of State for India, 16 January 1872, responding to Broughton’s r...
An administrative history of the recent cultivation and export of cinchona, compiled from the records by F C Danvers, India Office, 30 June 1883. Discusses the Madras plantations, the commercial value of different kinds of bark, and the future of the market. Includes tabular statement of the quan...
Report on the investigation and collection of plants and seeds of the India-rubber trees of Para and Ceara and balsam of Copaiba [all in Brazil], by Robert Cross. With black-and-white illustrations of tree-tapping for rubber and balsam, and of rubber preparation. Cross discusses the relative suit...
Letter from W T Thiselton Dyer, Assistant Director, Royal Botanic Gardens, Kew, to Secretary of State for India, 9 August 1882, on behalf of Sir Joseph Hooker, Director, disputing the supposed toxicity of cinchona febrifuge manufactured in Sikkim, and proposing steps to improve the manufacture of...
Report by Dr J E de Vrij, The Hague, on the Bengal cinchona febrifuge [remedy against fever], in letters dated 6 April and 6 September 1878 and 11 January 1879. Explains chemical composition of the febrifuge; discusses a component believed to have toxic effects; recommends that quinine and febri...