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  1. By: De Silva, P. H. D. H. (Pilippu Hewa Don Hemasiri),
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 84
    Date: 1987
    Page Range: 505--525
    Publication Info: Bombay Bombay Natural History Society 1886-
  2. By: De Silva, P. H. D. H. (Pilippu Hewa Don Hemasiri),
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 53
    Date: 1956
    Page Range: 477--478
    Publication Info: Bombay Bombay Natural History Society 1886-
  3. By: De Silva, P. H. D. H. (Pilippu Hewa Don Hemasiri),
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 54
    Date: 1958
    Page Range: 322--334
    Publication Info: Bombay Bombay Natural History Society 1886-