Dr. Gravely also donated a variety of sculptures, carvings and bronzes to other institutions, including the Prince of Wales Museum, the Lucknow Museum and Dr. Ananda Coomaraswami's Museum in Boston.
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When working as Assistant Superintendent at the Indian Museum, Calcutta, Dr. Gravely conducted pioneering classification work on the family Passalidae.
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His work on Arachnida and Mollusca significantly enhanced the collections of the museum in the two zoological groups.
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It notably contain insects, Arachnida and Myriapoda from limestone caves in Burma (1911), and oriental Passalidae.