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Show ORIGIN OF SOCIETY. CANTO IV. ISO h Demon lifts his banner high , " WHEN War, t e ' . And loud artillery rends the affrighted sky ; Swords clash wi.t 11 swor ds ' on horses horses rush, Man tramp1 e s man, and nations nations crush; Deat h h1. s vas t SI.the with sweep enormous wields, And shuddering Pity quits the sanguine fields. " The wolf, escorted by his milk-drawn dam, Unknown to mercy, tears the guiltless lamb; The towering eagle, darting from above, Unfeeling rends the inoffensive dove; The lamb and dove on living nature feed, Crop the young herb, or crush the en1bryon see<l. Nor spares the loud owl in her dusky flight, Smit with sweet notes, the minstrel of the night; Nor spares, enamour'd of his radiant form, The hungry nightingale the glowing worm; The totvering eagle, 1. 19. Torva lerena lupum sequitur, lupus ipse capellam, Floren tern cytisum sequitur lasc1va capella. V IRG. 20 CANTO IV. OF GOOD AND EVIL. 131 Who with bright lamp alarms the midnight hour, Climbs the green stem, and slays the sleeping flower. " Fell Oestrus buries in her rapid course Her countless brood in stag, or bull, or horse; 30 Whose hungry larva eats its living way, Hatch'd by the warmth, and issues into day. The wing' d Ichneun1on for her embryon young Gores with sharp horn the cat~rpillar throng. Fell Oestrus buries, 1. 29. The gadfly, bot-fly, or sheep-fly: the larva live·s in the bodies of cattle throughout the whole winter; it is ex~ tracted from their backs by an African bird called Buphaga. Adhering to the anus it artfully introduces itself into the inte tines of horses, and becomes so numerous in their stomachs, as sometimes to destroy them; it climbs into the nostrils of sheep aiJd calves, and producing a nest of young in a transparent hydatide in the frontal sinus, occasions the vertigo or turn of those animals. In Lapland it o attacks the rein deer that the natives annually travel with the herds from the woods to the mountains. Lin. Sy t. Nat. The rving'd Ichneumon, I. 33. Linneus describes seventy-seven species of the ichneumon fly, some of which have a sting as long and some twice as long as their bodies. Many of them insert their eggs into various caterpillars, which when they are hatched seem for a time to pr y on the reservoir of silk in the backs of those animals designed for their own usc to spin a cord to support them, or a bag to contain them, while they change from their larva form to a butterfly; as I have seen in above fifty cabbage-caterpillars. The ichneumon larva then makes its way out of the caterpillar, and spins itself a small |