Meteoric Iron In Snow

Observations of anovr collected on mountain tope, and within the Aretic Circle, far bevond the inilueiice of factories and smoke, coiifirm tho supposition that minute partióles of iron tloat n the atmosphere, and in time fel] to the earth. By some men of soienee, ïhese partióles of iron are beLleved to bear some relation to tlio phelomena of the aurora. Gronemunu, of Gotting-en, for Lnstance, holds that ti-eams of the partióles rovolve around the gun, and that, whén passing the earth, they are attracü'd to the poles, thence stretching forth a.s long filanents into saQ; but. as thev travel vitU planetary velocity, they becoine gnitea Lu the earth's atmosphere, and n this way produce tiio weli-knowii umuious appearance chai-acterizing nú-oral phenomena, ProfBsgor Nordenskjold, who cxamped snow in the &r norlh, bevond spitzbergen, says tliat lie fouml in it xceediugly miinile partióles of