Professor Witthaus testified that his analysis revealed the presence of mercury, obtained as calomel, and while the amount was not sufficient to cause death, its presence indicated that a larger quantity had existed in life. The embalming fluid had contained no mercury, and he and Dr. Donlin agreed that the embalming fluid would have no effect upon the lungs beyond a tendency to bleach them.
Williams, also a coroner's physician, and of Professor R. A. Witthaus, an expert chemist. The two physicians testified at the trial that the organs of the body, except the lungs, were normal in condition, save as affected by the embalming fluid. They and Professor Witthaus agreed in their testimony that the lungs were congested. Dr. Donlin spoke of their being "congested all over"; while Dr.