. An address upon farm pests, including insects, Fungi, and animalcules . uite an adulteration, but, under favorable circumstances, that is, with warmth and moist-ure, I have seen one-half the bulk, at least, animal life. Thiswould, however, only be the case upon small lots of in barrels, their number is frequently immense, but theyare much more plentiful at the top of the barrel, or nearest thelight, though light is in no way necessary to their production. The disease known as grocers itch, is undoubtedly due tothe presence of this mite, which may now and then work itsway under the
. An address upon farm pests, including insects, Fungi, and animalcules . uite an adulteration, but, under favorable circumstances, that is, with warmth and moist-ure, I have seen one-half the bulk, at least, animal life. Thiswould, however, only be the case upon small lots of in barrels, their number is frequently immense, but theyare much more plentiful at the top of the barrel, or nearest thelight, though light is in no way necessary to their production. The disease known as grocers itch, is undoubtedly due tothe presence of this mite, which may now and then work itsway under the skin of the hand. Plentiful as these mites are on the damp brown sugars, I havenever detected them on dry white sugar, though I almost alwaysfind them on figs, dates, honey, if grained, and often on thecomb when not; in fine, they may be found on all sweet sub-stances that are sufficiently exposed. They are a jolly, playful race of beings, and seem to live andeat for enjoyment; when frightened they play dead, curling uptheir legs, and remaining inactive for some
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