Abstract
THE Mollusca, as an ancient, widely distributed and relatively diversified group of animals, provide favourable material for biogeographical study. The freshwater and terrestrial Mollusca of the Sub-Arctic Region (which may be defined as the territory lying between the fiftieth parallel of north latitude and the Arctic Circle except in north-western Europe and western North America, where the boundaries lie farther north) are of special significance since in that region the effect of progressively more unfavourable conditions of life upon animal distribution can be observed upon a vast scale. The following note, which is based upon original observations1,2,3,4, may therefore be of interest.
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References
Mozley, Alan, "Reports of the Jasper Park Lakes Investigations 1925–26. The Mollusca of Jasper Park", Trans. Roy. Soc. Edin., 56, 647–669 (1930).
Mozley, Alan, "The Fresh-Water and Terrestrial Mollusca of Northern Asia", Trans. Roy. Soc. Edin., 58, 605–695 (1935).
Mozley, Alan, "A Biological Study of the Sub-Arctic Mollusca" Proc. Amer. Phil. Soc., 78, 147–189 (1937).
Mozley, Alan, "The Fresh-Water Mollusca of Sub-Arctic Canada" Can. J. Res., 16, 93–138 (1938).
Kozov, M. M. (= Kojov, M. M. ), "Mollusques du Lac Baikal. Trav. Stat. Limnologique du Lac Baikal", (8), Acad. Sci. U.S.S.R. (1936).
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MOZLEY, A. The Sub-Arctic Region as a Molluscan Habitat. Nature 142, 1116–1117 (1938). https://doi.org/10.1038/1421116b0
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DOI: https://doi.org/10.1038/1421116b0
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