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INTRODUCTION.
THOSE animals which by their ſize chiefly attract our attention, are but the ſmalleſt part of animated nature; the whole earth ſwarms with living beings, every plant, every grain and leaf, ſupports the life of thouſands. Vegetables ſeem, at firſt ſight, to be the parts of organized nature, which are produced in the greateſt abundance; but upon minuter inſpection we ſhall find each ſupporting numberleſs minute creatures, who fill up the various gradations of youth, vigour, and old age, in the ſpace of a few days exiſtence.
Vegetables
Some
Caterpillars
A
has
