“The few drops of liquid which were in the phial before mentioned were now examined: they had no action on litmus paper, they smelt of camphor and acetate of ammonia. The test for prussic acid was applied, but it did not show the smallest quantity. The phial was then washed out, and the distilled liquid, with the precipitated Prussian blue obtained by the two above-detailed processes was put into it. It was corked up and taken by Messrs. Norblad and Champneys to keep in their possession. I also added the same test to distilled water containing a few drops of prussic acid, for the sake of comparison and to try the test. This was also taken by Messrs. Norblad and Champneys, as was also some distilled water with the same tests applied, to which no prussic acid had been added, and which was colourless. As far as I can recollect this completed the first day’s proceedings, it being now nearly dark. “On the evening of the following day (Saturday) Mr. Pickering came to me to request I would on the Monday following examine, by the coroner’s desire, the contents of the glass tumbler, the beer bottle, and the remainder of the beer, to determine if prussic acid existed in any of them. On Sunday the 6th, being engaged at Derby on the Monday, Messrs. Norblad and Champneys came, bringing with them the whole of the things they took away with them on the Friday. The beer, the contents of the tumbler, and the remains of the plum bun we each subjected separately to distillation in the salt-water bath, and to the liquor obtained by distillation the same tests for detecting prussic acid were added, but not a trace could be found. “I may here observe that, on the intervening Saturday, I continued the distillation of the larger portion before spoken of for the purpose of obtaining more of the distilled liquid, and in fact to continue the distillation until the whole of the prussic acid had been separated. A part of the distilled liquor had its Prussian blue precipitated, which was given to Messrs. Norblad and Champneys on the Sunday, and to another part I added nitrate of silver for the purpose of separating the hydrocyanic acid, or rather the cyanogen it contained. I kept it safe from decomposition or change during my absence, and for the purpose of further experiments on my return, and at my leisure. “Accordingly, shortly after my return, I put the cyanide of silver obtained by the above process, together with some very dilute muriatic acid, into a small retort, to which a receiver was attached. The retort was placed over a lamp in order to be heated, and the receiver was surrounded by cold water. The distillation proceeded until about a drachm and a half had distilled over. _This liquor possessed the odour of prussic acid_, distinctly recognised by myself, and also by two of my sons.