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Show A gentleman named Hardee, of Louisana, has discovered that concussion concus-sion will destroy the scale-bug ou orange trees. A wasp's ne&t was found on one of the treeB in his orchard, or-chard, into which he fired a charge of " powder from a shot-gun, with the effect noted. Herepealed the experiment experi-ment on a number of other trees, ' similarly diseased, with the same satisfactory sat-isfactory result, and was so well pleased with ihe discovery that he T. made it the subject of a paper read : before the Fruit-Growers' association 5 of that stale. The experiment will I prove inexpensive, and might he tried . on all trees and vines atlected by dc-' dc-' structive insects. |