During this interval we had fairly unearthed an oblong chest of wood, which, from its perfect preservation and wonderful hardness, had plainly been subjected to some mineralizing processperhaps that of the bichloride of mercury.

[poisonous substances, examples] Albany hemp^, arsenious oxide, arsenious acid; bichloride of mercury; carbonic acid, carbonic gas; choke damp, corrosive sublimate, fire damp; hydrocyanic acid, cyanide, Prussic acid, hydrogen cyanide; marsh gas, nux vomica

Let the haughty, purse-proud Americanin whose warm life current one may trace the unmistakable strains of bichloride of gold and trichinaepause for one moment to gaze at the coarse features and bloodshot eyes of his ancestors, who sat up at nights drenching their souls in a style of nepenthe that it is said would remove moths, tan, freckles, and political disabilities.

One-half has been treated with bichloride of mercury, so as to bleach such portion of the image as is of silver, and finally the printsthe two halves of each being brought close togetherhave been mounted in groups, each group containing all the prints toned by a certain formula, with full information tabulated.

We refer, in the mean time, only to those halves that have not been treated with bichloride of mercury.

And now a word as to those parts of the prints which have been treated with bichloride of mercury.

All the inculpated parties were speedily in custody; and the body of Mrs. Thorndyke having been disinterred, it was discovered that she had been destroyed by bichloride of mercury, of which a considerable quantity was detected in the body.