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Show Etna Still Slumbers. The height of Mount Ktna, tho fa,, nious volcano of Molly, has long been Hxid at 10,hM feet. Its height ban recently re-cently b"oii 111010 uccun.tely mciiauied by ttlgonnmetllcal processes und the exnet elevation Is found to bo 10,775 feet. Tho dlrferenoe Is pot Important, but the more exact determination will, of cnurr,e, ho given nil the maps hereafter here-after publlshid Tho innln crater his n width of I72S feet and ft depth of 820 feet Mount lUna has peilods of almost complete qules.tnic- Six jenrH had elapsed nfler tho cruplon of 1M2. when In llie auimn of 1838 blue (limes began In imergo from tho mouth of the largest larg-est crater and 11 great den! nf vapor wns emitted fiom tho lesser orifices. It was thin nniinunced thnt Iltnn, seemed to be preparing for nn effusion of livn, probably on the south or southwest slopes. The exrected eruption, how. ever, did not begin till the morning of July 19, JSW, when great volumes of sinoko and lava began to Irsuo from tho main crulcr, but after sevcrnl dns the activity gradually subsided, nnd i:ina soon resumed Itn peuceful aspect nnd has since seemed to bo 111 ft slumberous condition. New York Bun. |