Darwin orders sulphuric ether, nitric ether, chloroform, and prussic acid [for Drosera experiments? See Insectivorous plants, pp. 209, 219]. Transcri Show moreDarwin orders sulphuric ether, nitric ether, chloroform, and prussic acid [for Drosera experiments? See Insectivorous plants, pp. 209, 219]. Transcription: "Please send me about 1/2 oz of [] [] + about 1/2 oz of [] [], both as pure as possible, for experimental purposes, in bottles with corks, as I shall use them immediately C. Darwin Down Sept 17th c1861-2 Please turn over also about a [] od chloroform (I have [] and [] but it has been kept long + I am afraid of its purity) also about a [] of [] Acid of [] (please mark proportion of [] acid to water on label) also 20 or 30 drops of pure, concentrated [] acid. C.D. Vanilla Lubbock 6 60eva TUrn over" Letter sent from Down, Beckenham, Kent, England The Robert M. Stecher Collection of Charles Darwin Books and Manuscripts Show less