Bewick then describes an experiment which succeeded in keeping swallows alive in Britain for several years, where they remained warm and dry through the winters. He concludes:
Bewick then describes an experiment which succeeded in keeping swallows alive in Britain for several years , where they remained warm and dry through the winters . He concludes :
Who describes an experiment with swallows?
Who describes an experiment with swallows ?
Bewick
Bewick