Boy Chemists, Beware!

Kmall boys with ill-regiüated tendenoies to cheimcal investí gatious would do vfell to stud.y the lives of celebrated chemists. The discoverer of fulmínate of rnercnry utterly cüsajipeared at the instant of triumph. Never E traee of liim was fomxl amifl the wreek of his laboratory. Fulmínate of gold, too. is eto terrible an agent that an ounce of ït, n jarred ever so slightly, Tll devástate a whole neighborhootl. MoreoVer, some of the common chcmicals, if iguorautly allowrcl to come in bontadfc, wil!, withont a momer-fs raming, blow to aioms anv one wbo happens to be neur. It is, tlièrefore, desirable that a preliminar? otase of instructioii ihouhl pi rete general chemical research.- Vhnattan I' ilion,