Abstract
MAINLY from a study of the water-beetles, Prof. F. Balfour-Browne has come to some conclusions as to the origin of species by means of natural selection which he brings forward in his presidential address to Section D (Zoology). He points out that, although a struggle for existence undoubtedly occurs, choice also plays a part in the formation of different communities of water-beetles associated with different types of habitat, and that even localisation under particular climatic conditions is probably partly due to choice.
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The Species Problem. Nature 136, 382 (1935). https://doi.org/10.1038/136382a0
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DOI: https://doi.org/10.1038/136382a0
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