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Page 247 - Redi, made innumerable trials with the putrid flesh of all sorts of beasts and fowls, and fishes and seqients, with corrupted cheese, and herbs, and fruits, and even insects themselves ; and he constantly found, that all those kinds of putrefaction did only afford a nest and aliment for the eggs and young of those insects that he admitted to come there, but produced no animal of themselves by a spontaneous formation : for, when he suffered those things to putrefy in hermetically sealed glasses, and...
Page 248 - ... the insects had free access to the aliment within them, he diligently observed that no other species were produced but of such as he saw go in and feed, and deposit their eggs there ; which they would readily do in all putrefaction, even in a mucilage of bruised spiders, where worms were soon hatched out of such eggs, and quickly changed into flies of the same kind with their parents.