Letter from William Turner Thiselton-Dyer, to Arthur William Rucker, regarding a paper [attributed] 'Photographic investigation of the absorption spectra of chlorophyll and its derivatives in the violet and ultraviolet region of the spectrum' by C A Schunck The work of the Henry Edward Schunck is usually published by the Royal Society, as he is the foremost worker in his field. The work of his son is largely based on, and assisted by, Henry Edward Schunck. The current paper is merely a record of observations. Subject: Botany [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 23 March 1898. 23 March 1898