The effect of a centrifugal force upon t
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Whitney, David Day
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Article
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1909
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John Wiley and Sons
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English
β 629 KB
the eggs had hatched. Of the seven remaining eggs one was a winter egg, three were dead parthenogenetic eggs and the other three contained living embryos which were apparently unable to break through the egg envelope. March 14, at 8:qo p.m., twenty eggs were isolated and allowed to remain undisturb