_Mr. Kelly._—“Why then inform my learned friend that they were sound and healthy?” _Witness._—“The lungs themselves were not diseased.” _Mr. Kelly._—“Is it natural and healthy when the lungs are congested?” _Witness._—“They contained rather more blood than usual.” _Mr. Kelly._—“Is that a healthy state?” _Witness._—“Not perfectly so.” _Mr. Kelly._—“Is not congested lungs the cause of various modes of sudden death?” _Witness._—“Yes.” “I then examined the _pericardium_, it was empty. The heart had a natural appearance. I do not recollect that I examined the arteries proceeding from the aorta. Any disease of the coronary arteries is likely to cause sudden death. I did not examine the spinal marrow. The valves of the heart were very clear. Death might suddenly result from the adhesion of the spinal marrow, if it had existed some time. A sudden termination also might take place where the disease is latent. I looked at the gall-bladder, the colour was natural. My experience teaches me that prussic acid would colour it blue.[11] I examined the œsophagus to see if there was any foreign substance, and found none. I opened the trachea, but not the bronchial tubes, so I could not tell whether there was water in them or not. When I felt the pulse and heart of the deceased I was satisfied that she was dead, still I bled her, as I thought it best to try every means to restore animation. I did not do it to ascertain the cause of death. I then got no information as to the cause of death. I saw a slight motion of the jaw as I felt the pulse, and apprehend she died then. I took the stomach from the body eighteen hours after death. The contents were turned into a jug or basin, and afterwards into a bottle. I do not know for what purpose the bottle had been used. I did not wash it out.” (_The bottle was here produced, a large-mouthed one, like a pickle bottle._) The witness then stated what care he took of it to prevent its being tampered with before taking it to Mr. Cooper:—“The exact dose to cause death is still undetermined, also whether the effect is cumulative or not, also the effect of the same quantity diluted more or less is unsettled. Scheele’s prussic acid varies in strength. Prussic acid evaporates by keeping.” _Mr. Kelly, reading from Watson’s “Lectures on Physic.”_—“Do you agree to this—‘A blow, a fall, an electric shock, a teaspoonful of prussic acid, may cause death and leave no trace on the nervous system?’” _Witness._—“Yes.” On his _re-examination_ by _Serjt. Byles_, the witness said:—