Abstract
While at Oslo, Norway, in 1927, I devised a bottom sampler capable of withdrawing a core of mud from the sea bottom, and at the same time preserving, as in situ, the surface layer. My object was to examine this upper layer of flocculent detritus with reference to its possibilities in providing potential food for bottom-living organisms. A description of this instrument with slight modifications was published by Moore in the Jour. Marine Biol. Assoc. (vol. 16, No. 2, pp. 589–594). When examining samples which I collected in the Clyde Estuary, I was struck by the characteristic form and sculpturing of fæcal pellets found in them, and, by keeping various members of the bottom fauna in captivity, was able to determine from which particular organism these fæcal pellets were derived.
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Nature, May 30, p. 818.
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MACDONALD, R. The Form of Fæcal Pellets and Specific Identification. Nature 128, 68 (1931). https://doi.org/10.1038/128068b0
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DOI: https://doi.org/10.1038/128068b0
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