Locusts and Sun-Spots


As the locust (Œdipoda migratoria, or Acridium perigrinum?) is a frequent and occasionally aggravating accompaniment of drought and famine, it cannot but be interesting to notice that periodical incursions of this insect into the temperate zone are apparently regulated in some way by the terrestrial meteorological abnormalities which accompany the varying phases of the sun-spots.

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